| #9051, aired 2024-03-04 | LECTURING YOU ON SCIENCE $1600: This Brit who wrote about the full circulation of the blood in the human body was a Lumleian lecturer from 1615 to 1656 Harvey |
| #9043, aired 2024-02-21 | SCIENCE QUIZ $200: This fourth state of matter occurs when atoms in a gas are ionized plasma |
| #9043, aired 2024-02-21 | SCIENCE QUIZ $1000: This 12-letter word describes the richness of life forms in a given environment biodiversity |
| #9040, aired 2024-02-16 | SCIENCE STUFF $400: This iron-containing pigment in blood has a job to do: carry oxygen to tissue hemoglobin |
| #9040, aired 2024-02-16 | SCIENCE STUFF $2000: Galileo discovered this, the largest moon of Jupiter & the largest satellite in our solar system Ganymede |
| #9035, aired 2024-02-09 | 21st CENTURY SCIENCE $400: In 2015 gravitational waves were first directly observed after this man predicted them a century earlier Einstein |
| #9035, aired 2024-02-09 | WORLD LEADER BIRTHPLACES $1000: This prime minister was born in Vadnagar, India & has a MA in political science Modi |
| #9035, aired 2024-02-09 | 21st CENTURY SCIENCE $1200: Before its mission ended in 2017, the spacecraft named for this astronomer gave us a view of Saturn's moon Enceladus Cassini |
| #9035, aired 2024-02-09 | 21st CENTURY SCIENCE $2000: A new hominin species of this, with a name meaning "southern ape", was discovered in 2008 Australopithecus |
| #9024, aired 2024-01-25 | QUESTIONABLE SCIENCE IN POP SONGS $400: In "It's Hot (Some Like It Hot)", Jay-Z gets it wrong with the lyric "thirty-eight revolve like a sun 'round" this Earth |
| #9024, aired 2024-01-25 | QUESTIONABLE SCIENCE IN POP SONGS $1000: We're not sure how Adele pulled off this title trick in a 2011 song, but she definitely wanted to "let it burn" "Set Fire To The Rain" |
| #9015, aired 2024-01-12 | AN "A" IN SCIENCE $200: The primary risk factor for mesothelioma, a rare cancer, is thought to be exposure to this tough fiber asbestos |
| #9015, aired 2024-01-12 | AN "A" IN SCIENCE $400: Pectoris can follow this word for a type of chest pain that can be a symptom of coronary artery disease angina |
| #9015, aired 2024-01-12 | AN "A" IN SCIENCE $600: Surname of U.S. physician Virginia who developed a method that scored the health of newborns Apgar |
| #9015, aired 2024-01-12 | AN "A" IN SCIENCE $800: John F. Kennedy suffered from Addison's disease, a condition that affects these glands that secrete steroids the adrenal glands |
| #9015, aired 2024-01-12 | AN "A" IN SCIENCE $1,400 (Daily Double): This tiny unit of measurement is named for a Swedish physicist an angstrom |
| #9011, aired 2024-01-08 | SCIENCE $1200: Sir Peter Medawar proposed Medawar's paradox to explain why this system in women doesn't reject a fetus the immune system |
| #9003, aired 2023-12-27 | 12-LETTER SCIENCE WORDS $10,400 (Daily Double): Studies have shown that some shrews use this process, emitting high-pitched squeaks as a guide in the dark echolocation |
| #9000, aired 2023-12-22 | CONTEMPORARIES $400: When Isaac Newton died in 1727, this 21-year-old Philadelphia clerk was still a few years away from taking up science Franklin |
| #8990, aired 2023-12-08 | A MUSE ME $400: Look! up in the sky! It's a bird! It's a plane! No, it's Urania, muse of this science! astronomy |
| #8988, aired 2023-12-06 | REAL MEN OF SCIENCE $600: Galileo used a supernova in 1604 to disprove this ancient Greek's theory that the universe never changes Ptolemy (Aristotle) |
| #8981, aired 2023-11-27 | WOMEN IN SCIENCE $200: Astronomer Annie Jump Cannon developed a system of classifying stars & discovered 5 of these exploding ones a nova |
| #8981, aired 2023-11-27 | WOMEN IN SCIENCE $800: As a mycologist, this author's studies included spore germination; Jemima Puddle-Duck would have to wait a few years Beatrix Potter |
| #8981, aired 2023-11-27 | WOMEN IN SCIENCE $1,000 (Daily Double): With her husband George, Gladys Dick found the cause of this childhood disease named for its red skin rash & came up with a cure scarlet fever |
| #8973, aired 2023-11-15 | WHAT'S THE "PLAN"? $400: The Adler in Chicago is one of these buildings for space science education a planetarium |
| #20, aired 2023-11-15 | SCIENCE MUSEUMS $400: 1601 NASA Parkway is the street address of a space museum in this Texas city Houston |
| #20, aired 2023-11-15 | SCIENCE MUSEUMS $2,000 (Daily Double): Behind thick glass in the Gems & Minerals Hall of the Denver Museum of Nature & Science, Tom's Baby is an 8-lb nugget of this gold |
| #8971, aired 2023-11-13 | LIFE SCIENCE $800: In HIV these genetic changes that alter the organism happen so fast, a single AIDS drug is unworkable a mutation |
| #8971, aired 2023-11-13 | LIFE SCIENCE $1200: In the Batesian type of this, aka imitation, an organism evolves to look like a more noxious one so it's left alone mimicry |
| #8970, aired 2023-11-10 | DESIGNERS $200: We know that the devil wears this designer, but did you know she has a doctorate in political science & studied mime? Prada |
| #8963, aired 2023-11-01 | MEN & WOMEN OF SCIENCE $200: In 1925 this American anthropologist first visited Samoa; she wrote a book about it three years later Margaret Mead |
| #8963, aired 2023-11-01 | MEN & WOMEN OF SCIENCE $400: In the 1870s this French chemist demonstrated that anthrax was caused by a particular bacillus Louis Pasteur |
| #8963, aired 2023-11-01 | MEN & WOMEN OF SCIENCE $600: In 1667 the U.K.'s Margaret Cavendish was the first woman to attend a meeting at this science society the Royal Society |
| #8959, aired 2023-10-26 | SCIENCE & TECHNOLOGY $200: The top secret payload when this company first launched its Dragon space capsule in 2010? A wheel of cheese SpaceX |
| #8958, aired 2023-10-25 | SHE BLINDED ME WITH SCIENCE $400: Alice Ball was 23 & a college instructor in Hawaii in 1915 when she developed the first successful treatment for this, also known as Hansen's disease leprosy |
| #8947, aired 2023-10-10 | NOT SO RECENT SCIENCE $400: In 1891 Brucia, the 323rd asteroid discovered, was unique as it was the first one found by using these photography (photographs from a camera) |
| #8947, aired 2023-10-10 | NOT SO RECENT SCIENCE $800: The discovery of this element in 1669 has led to a lot of friction--in matches phosphorus |
| #8947, aired 2023-10-10 | NOT SO RECENT SCIENCE $1000: In 1879, after thousands of failures, Edison found a simple scorched cotton thread worked best as one of these a filament |
| #8943, aired 2023-10-04 | EARTH SCIENCE $200: In a mining lode, the gangue is the junk & this is the mineral with the good stuff in it ore |
| #8943, aired 2023-10-04 | EARTH SCIENCE $400: This temperature oscillation in the equatorial Pacific Ocean was also a nickname of the young Rafael Nadal El Niño |
| #8942, aired 2023-10-03 | HEY, LAD-"E" $400: In 1892 this founder of Christian Science moved to a house called Pleasant View in Concord, New Hampshire (Mary Baker) Eddy |
| #8942, aired 2023-10-03 | LITERARY BIOGRAPHY $400: A book about Poe "& the forging of American science" points out that in his one year at this school, Edgar was great at math West Point |
| #8926, aired 2023-09-11 | SCIENCE CLASS $200: In natural form a mixture of 3 isotopes, this element is the most abundant in the Earth's crust & in the human body oxygen |
| #8926, aired 2023-09-11 | SCIENCE CLASS $400: Used as a common medical treatment in the 19th century, laudanum is a tincture of this narcotic dissolved in distilled spirits opium |
| #8909, aired 2023-07-06 | SCIENCE $400: A theory about the formation of this satellite supposes a planet named Theia, the mother of Selene in myth, crashed into Earth the Moon |
| #8907, aired 2023-07-04 | SCIENCE $1600: German physicist Rudolf Clausius put in the work by introducing this term for the measure of molecular disorder in a system entropy |
| #8905, aired 2023-06-30 | SCIENCE & NATURE $400: In a honeybee colony, the only job of these non-remote-controlled male bees is to mate with a queen drones |
| #8905, aired 2023-06-30 | SCIENCE & NATURE $1200: 4 chemical elements, including yttrium & erbium, were named for a village in this country Sweden |
| #8886, aired 2023-06-05 | THE SCIENCE OF POETRY $400: In a 1727 memorial by James Thomson, "Even light it self, which every thing displays, shone undiscovered" until this British thinker Newton |
| #8886, aired 2023-06-05 | THE SCIENCE OF POETRY $2,000 (Daily Double): In a 1920s limerick, "There was a young lady named Bright/ Whose speed was far" these 3 words; she gets back home before she left faster than light |
| #20, aired 2023-05-24 | 3-NAMED PEOPLE $2000: Besides painting many portraits of George Washington, he founded a museum in Philadelphia as much for science as for art Charles Wilson Peale |
| #16, aired 2023-05-22 | A LIFE IN SCIENCE $400: James Chadwick won a 1935 Nobel Prize for discovering this subatomic particle that's part of every atomic nucleus but ordinary hydrogen a neutron |
| #16, aired 2023-05-22 | A LIFE IN SCIENCE $800: Luis Alvarez & son discovered that a layer of iridium-rich clay marked the boundary between this era of the dinosaurs & ours mesozoic |
| #16, aired 2023-05-22 | A LIFE IN SCIENCE $1200: Mary Anning found many fossils in the 19th century, including this long-necked marine one sketched here plesiosaur |
| #16, aired 2023-05-22 | A LIFE IN SCIENCE $2000: The first time the Copley Medal went to a non-Brit was in 1794, to this Italian of Pavia Alessandro Volta |
| #16, aired 2023-05-22 | A LIFE IN SCIENCE $4,600 (Daily Double): His name is associated with work & this 19th C. British physicist had an occasional day job managing his family brewery Joule |
| #15, aired 2023-05-22 | TOUGH SCIENCE $400: The size of a beach ball at roughly 23 inches in diameter, it orbited the Earth in around 98 minutes on Oct. 4, 1957 Sputnik |
| #11, aired 2023-05-16 | SCIENCE $1600: A theoretical construction with no inside is called his "bottle"; cut it in half & you have 2 Mobius strips Klein |
| #3, aired 2023-05-09 | 1920s SCIENCE $400: In 1922 Caltech got the Wood-Anderson torsion one of these instruments, a breakthrough in sensitivity & precision seismometer |
| #3, aired 2023-05-09 | 1920s SCIENCE $800: Lewis Fry Richardson proposed doing this with 64,000 computers (those were people then) & data from a world network of balloons forecasting the weather |
| #8858, aired 2023-04-26 | 4-SYLLABLE WORDS $2000: Used in science, a substance that can't be dissolved in a liquid is termed this insoluble |
| #8852, aired 2023-04-18 | SAVOIR FAIR $1600: A yearly science fair is sponsored by a university in this French city that hosted the 1968 Winter Olympics Grenoble |
| #8846, aired 2023-04-10 | QUANTUM SCIENCE $800: (Spiros Michalakis presents the clue.) World Quantum Day is April 14th because Planck's constant, which is in constant use, rounds to 4.14 eV, short for electron this unit; it takes about 625 quintillion eV per second to light a 100-watt bulb volt |
| #8846, aired 2023-04-10 | QUANTUM SCIENCE $1600: (Spiros Michalakis presents the clue.) In computing, either 1 or 0, on or off, can be represented by this unit, with "Q-U" for quantum before it, & it can be in both states at once, allowing more simultaneous operations a bit |
| #8822, aired 2023-03-07 | SCIENCE $2000: The law that the total pressure of a mixture of gases is the sum of those of the component gases was stated by this Brit in 1801 John Dalton |
| #8816, aired 2023-02-27 | SOCIAL SCIENCE $1200: It's a lack of integrity in public officials, like via fraud & bribery; Argentina's ex-pres. was convicted of it in 2022 corruption |
| #8813, aired 2023-02-22 | SCIENCE CRITTERS $200: It's the animal in the name of the unit equivalent to 33,000 foot-pounds of work per minute a horse |
| #8813, aired 2023-02-22 | SCIENCE CRITTERS $400: In an Oscar-winning 2020 documentary, this sea creature was a "Teacher" an octopus |
| #8810, aired 2023-02-17 | SCIENCE $1600: The name of this brightest star in our night sky comes from a Greek word for "glowing" Sirius |
| #8802, aired 2023-02-07 | SCIENCE & TECHNOLOGY $400: In 1888 George Eastman began marketing a low-cost, easy-to-use one of these a camera |
| #8797, aired 2023-01-31 | THE SILENT & NOT-SILENT LETTER $800: In one of the academic STEM subjects a C |
| #8795, aired 2023-01-27 | 19th CENTURY SCIENCE $400: In 1803 a British meteorologist published new names for these, including cumulus & cirrus clouds |
| #8795, aired 2023-01-27 | 19th CENTURY SCIENCE $800: In the 1870s a Swiss surgeon pioneered the surgical removal of this gland to treat goiter the thyroid |
| #8795, aired 2023-01-27 | 19th CENTURY SCIENCE $1200: Once thought to be a planet, the first asteroid was discovered in 1801 & named this after a Roman goddess Ceres |
| #11, aired 2023-01-19 | SOME SERIOUS SCIENCE $600: In the 17th century Robert Hooke coined the term "cell" for the biological structures he saw using this recently invented instrument a microscope |
| #8788, aired 2023-01-18 | WOMEN OF SCIENCE $1000: In 1823 Mary Anning discovered the first full fossil skeleton of a "sea dragon", this long-necked marine reptile a plesiosaur |
| #8786, aired 2023-01-16 | THE COLORS OF SCIENCE $200: In physics, this type of "body" is a surface that absorbs all the radiation that falls on it a blackbody |
| #8786, aired 2023-01-16 | THE COLORS OF SCIENCE $600: It's the "I" in ROYGBIV, a mnemonic for the colors of the visible spectrum indigo |
| #8783, aired 2023-01-11 | SCIENCE WORDS $1200: This word for a plain of lower elevation on our moon means "sea" in Latin mare |
| #8777, aired 2023-01-03 | SCIENCE NEWS $400: It was the "A" in NASA's DART, which hit the bullseye on one in 2022--maybe saving us from planetary doom one day asteroid |
| #8777, aired 2023-01-03 | SCIENCE NEWS $800: Following a bone marrow transplant, in 2019 a patient was declared free of this virus, for only the second time ever the AIDS virus (HIV) |
| #8760, aired 2022-12-09 | SCIENCE! $800: The size of a fist, this organ behind your left ribs fights invading germs in your blood by producing lymphocytes spleen |
| #8760, aired 2022-12-09 | SCIENCE! $1000: This Greek gave his name to the law that says a body in fluid is acted on by force proportional to how much fluid it displaces Archimedes |
| #8757, aired 2022-12-06 | RADIO, RADIO $1000: Programs on this international network include "Science in a Minute" & "Press Conference USA" Voice of America |
| #8736, aired 2022-11-07 | "D" IN SCIENCE $200: Term for a volcano that hasn't erupted in many, many years but still might dormant |
| #8736, aired 2022-11-07 | "D" IN SCIENCE $400: If your lab has a tile counter, don't use it to place solid carbon dioxide, aka this; the adhesive will be destroyed dry ice |
| #8736, aired 2022-11-07 | "D" IN SCIENCE $800: Still mysterious but described as a "repulsive force", it makes up 70% of the universe, way more than the same-named "matter" dark energy |
| #8736, aired 2022-11-07 | VICE PRESIDENTS $1600: This veep with the monogram HHH worked as a pharmacist before getting a master's in political science Hubert Humphrey |
| #8734, aired 2022-11-03 | GOTTA KNOW YOUR SCIENCE $800: Erbium, terbium, yttrium & ytterbium were all named for Ytterby, a village in this country Sweden |
| #8734, aired 2022-11-03 | A MUSICAL JOURNEY WITH QUESTLOVE $1200: (Questlove presents the clue.) In 1975, Parliament released the album "Mothership Connection", an early example of what's called Afro-this-ism, blending Black pride with history & science fiction Afrofuturism |
| #8734, aired 2022-11-03 | GOTTA KNOW YOUR SCIENCE $1200: "A" is for this part of the flower in which pollen is produced for you, free of charge! anther |
| #8730, aired 2022-10-28 | IN THE SCIENCE DICTIONARY $1000: This German physicist doesn't look too happy, even though he devised quantum theory, which won him a Nobel Prize in 1918 Planck |
| #8723, aired 2022-10-19 | SCIENCE & NATURE $400: DDT was first used as this lethal type of substance around 1940 & restrictions on it began in the late '50s a pesticide |
| #8717, aired 2022-10-11 | SCIENCE GRAB BAG $400: The seaweed called giant kelp can reach 200 feet in length, but it's still just a type of this simple organism algae |
| #8713, aired 2022-10-05 | SCIENCE & NATURE $800: The opposite of an apogee, it's the spot in a satellite's orbit when it's nearest to Earth perigee |
| #8707, aired 2022-09-27 | NON-NYE SCIENCE GUYS $800: A big name in thermometers, this 1700s guy discovered the boiling point of liquids varies with atmospheric pressure Fahrenheit |
| #8707, aired 2022-09-27 | NON-NYE SCIENCE GUYS $4,000 (Daily Double): This American found variable stars in the Andromeda Nebula, helping him figure its distance from Earth & getting it renamed a galaxy Hubble |
| #8699, aired 2022-09-15 | SCIENCE PROJECTS $1600: The Very Large Array is 27 230-ton antenna dishes put in different patterns to form a powerful one of these telescopes a radio telescope |
| #8694, aired 2022-07-28 | AUTHORS $1600: Asked whether she'd call "A Wrinkle in Time" science fiction or fantasy, this author suggested "science fantasy" Madeleine L'Engle |
| #8674, aired 2022-06-30 | SCIENCE WORDS $1600: It's the 7-letter word for the arrangement of atoms in a crystal a lattice |
| #8673, aired 2022-06-29 | SCIENCE-PODGE $2,000 (Daily Double): In 1868 remains of these hyphenated early humans were found in a shallow cave in France's Dordogne region the Cro-Magnons |
| #8664, aired 2022-06-16 | IT'S ALL RELATIVITY $4,000 (Daily Double): Nobel winner Kip Thorne made sure the science was right in "Interstellar", about a trip through one of these relativistic tunnels a wormhole |
| #8656, aired 2022-06-06 | SCIENCE STUFF $400: A spinning skater rotates faster by pulling in her arms, a demonstration of the conservation of angular this momentum |
| #8652, aired 2022-05-31 | SCIENCE $400: Though it doesn't have airplanes, Saturn has this band of 200-mph winds moving around its North Pole in a hexagonal pattern jet stream |
| #8643, aired 2022-05-18 | SCIENCE $1600: In a bat's wing these, finger bones in humans, are elongated to aid in flight phalanges |
| #8643, aired 2022-05-18 | SCIENCE $2000: As the naturalist for Vitus Bering's Great Northern Expedition in the 1740s, this man described a jay & a sea cow Georg Steller |
| #8619, aired 2022-04-14 | GREAT NAMES OF SCIENCE $2000: America's first professional female astronomer, in 1847, she discovered a new comet, & later became Vassar's first professor of astronomy Maria Mitchell |
| #8598, aired 2022-03-16 | SCIENCE & MEDICINE $2000: This third largest of Neptune's known moons is named in honor of the numerous daughters of a Greek sea god Nereid |
| #8592, aired 2022-03-08 | PEOPLE IN SCIENCE $1600: No longer a "Hidden Figure", in 2015, this mathematician & NASA pioneer received the Medal of Freedom Katherine Johnson |
| #8592, aired 2022-03-08 | PEOPLE IN SCIENCE $2000: Sir Isaac Newton had a famous dispute with this German philosopher & mathematician over who invented calculus first Gottfried Leibniz |
| #8591, aired 2022-03-07 | THAT'S JUST SCIENCE, MAN $3,500 (Daily Double): Before moving to Gemini & Taurus, the summer solstice used to be in this constellation, hence the name of a geographic line Cancer |
| #8584, aired 2022-02-24 | LIT-POURRI $400: In 1995 Octavia Butler became the first author in this genre to be honored with a MacArthur Genius Grant science fiction |
| #8583, aired 2022-02-23 | SCIENCE $400: This subfamily of grasses typically found in Asia can grow as much as a foot a day & reach 130 feet high bamboo |
| #16, aired 2022-02-18 | SCIENCE FICTION $200: The character of chaos theorist Ian Malcolm was introduced in this Michael Crichton novel about a unique island attraction Jurassic Park |
| #16, aired 2022-02-18 | SCIENCE FICTION $400: In 2021 he dropped "Project Hail Mary", in which he embraced familiar themes about a lone astronaut struggling to survive (Andy) Weir |
| #16, aired 2022-02-18 | SCIENCE FACT $800: Its name signifying a conflict with the Greek god of war, this star is 10,000 times the Sun's luminosity Antares |
| #16, aired 2022-02-18 | SCIENCE FACT $1600: Chemistry news: this unit is no longer related to the No. of atoms in 12 grams of carbon-12, but directly to Avogadro's constant a mole |
| #16, aired 2022-02-18 | SCIENCE FACT $2000: You don't know me, but I've got about a million islets named for me in your pancreas Langerhans |
| #8565, aired 2022-01-28 | SCIENCE & NATURE $1,000 (Daily Double): He wrote that in 1666 "I procured me a triangular glass-prisme, to try therewith the... phenomena of colours" Sir Isaac Newton |
| #8550, aired 2022-01-07 | AWARDS & HONORS $1600: John B. Glen began in veterinary science but won a 2018 Lasker Award for developing propofol, one of these for humans an anesthetic |
| #8546, aired 2022-01-03 | PHYSICAL SCIENCE $1600: A famous 17th c. experiment used a bell inside a jar in which this had been created to prove that air was needed to transmit sound a vacuum |
| #8543, aired 2021-12-29 | SCIENCE $800: In the body, an adductor is one of these that moves parts together or towards the center a muscle |
| #8543, aired 2021-12-29 | SCIENCE $2000: In a molecule of sulfuric acid, there are this many atoms of oxygen 4 |
| #8533, aired 2021-12-15 | SOUTHERN CALIFORNIA HISTORY $400: Founded in 1891 as a vocational & liberal arts school, this Pasadena college became famous for physics & space science Caltech |
| #8529, aired 2021-12-09 | SCIENCE VOCABULARY $800: Atoms share a pair of electrons in this type of chemical bond covalent |
| #8529, aired 2021-12-09 | SCIENCE VOCABULARY $1600: In physics, a body at rest is in "static" this if all the forces acting on it cancel each other out equilibrium |
| #8527, aired 2021-12-07 | I'VE GOT A THEORY $800: In 1866 this monk was pushing paper--for the Natural Science Society of Brünn--detailing his theory of heredity Mendel |
| #8527, aired 2021-12-07 | THEY EARNED A PhD $2000: She holds a PhD in animal science & authored "The Autistic Brain" & "Humane Livestock Handling" Temple Grandin |
| #8525, aired 2021-12-03 | IT'S A SCIENCE $400: Marie Curie won Nobel prizes in these 2 categories physics & chemistry |
| #8513, aired 2021-11-17 | SCIENCE $800: Rare on Earth except in signs, this gas with atomic number 10 is a top 10 element in abundance in the universe neon |
| #8512, aired 2021-11-16 | BOOK TITLES EN FRANCAIS $800: Science fiction for all ages: "Un raccourci dans le temps" A Wrinkle in Time |
| #8510, aired 2021-11-12 | "A" IN SCIENCE $400: Our immune systems produce these proteins to fight off disease antibodies |
| #8510, aired 2021-11-12 | "A" IN SCIENCE $800: The name of this class of animals means "double life" amphibian |
| #8510, aired 2021-11-12 | "A" IN SCIENCE $1200: It's the rate at which velocity changes over time acceleration |
| #8510, aired 2021-11-12 | "A" IN SCIENCE $1600: In physics it's the distance from the center line of a wave to the top of the crest amplitude |
| #8510, aired 2021-11-12 | "A" IN SCIENCE $2000: Here's an up-close image of this pollen-bearing part of a hibiscus the anther |
| #8506, aired 2021-11-08 | NATIONAL HISTORIC LANDMARKS $2000: In 2021 the Massachusetts home where she laid the foundations for Christian Science was designated a national landmark Mary Baker Eddy |
| #8495, aired 2021-10-22 | PLANETARY SCIENCE $1600: In 1675 he discovered a division within Saturn's rings, which he declared to be made up of little moonlets Giovanni Domenico Cassini |
| #8495, aired 2021-10-22 | PLANETARY SCIENCE $2000: HD 209458b was the first planet discovered via this eclipse-like event where planets cross in front of stars a transit |
| #8492, aired 2021-10-19 | "F" IN SCIENCE $400: It's part of a flower's stamen, or a thin wire inside a light bulb filament |
| #8492, aired 2021-10-19 | "F" IN SCIENCE $1200: The lowest temperature at which the vapor of a combustible liquid may briefly ignite is called this the flash point |
| #8482, aired 2021-10-05 | I BEFORE E AFTER C $800: One of the letters in a BSEE degree Science |
| #8472, aired 2021-09-21 | AWARDS & PRIZES $15,000 (Daily Double): Named for a British man, this prestigious award is funded by Google & Intel & given for contributions in computer science the Turing Award |
| #8458, aired 2021-08-04 | "C" IN SCIENCE $5,000 (Daily Double): Numbers 55 & 58 on the periodic table are these 2 elements that differ by a letter cesium & cerium |
| #8456, aired 2021-08-02 | SCIENCE $600: Tonic water contains a small amount of this alkaloid used in the treatment of malaria quinine |
| #8456, aired 2021-08-02 | SCIENCE $800: This disease was first identified due to a 1976 convention in Philadelphia Legionnaires |
| #8444, aired 2021-07-15 | TIME FOR SCIENCE $1600: Percival Lowell thought he saw these on the surface of Venus--some think it was a reflection of the blood vessels in his eye canals |
| #8444, aired 2021-07-15 | TIME FOR SCIENCE $2000: In addition to its acidity, one reason honey doesn't spoil is that an enzyme in bees helps produce this compound, H2O2, a germicide hydrogen peroxide |
| #8439, aired 2021-07-08 | A MOMENT OF SCIENCE $800: In the body, free radicals are atoms that are unstable & can damage cells by stealing one of these particles from nearby molecules electrons |
| #8439, aired 2021-07-08 | A MOMENT OF SCIENCE $1000: As Homer Simpson said, "In this house we obey the laws of" this relationship between heat & mechanical energy thermodynamics |
| #8431, aired 2021-06-28 | SCIENCE $1200: Discovered in 1956, this subatomic particle with no charge & very little mass is part of a family of particles called leptons neutrinos |
| #8431, aired 2021-06-28 | SCIENCE $4,000 (Daily Double): This physicist's effect is the change in a wave's frequency based on this relative motion between observer & source the Doppler effect |
| #8421, aired 2021-06-14 | ENDS IN "GH" $400: It's a 12-letter word for a sudden advancement or development, especially in science a breakthrough |
| #8416, aired 2021-06-07 | SCIENCE & TECHNOLOGY $800: Topped by a year-round ski slope, CopenHill is a waste-to-energy plant in this European nation Denmark |
| #8416, aired 2021-06-07 | SCIENCE & TECHNOLOGY $1600: In 1893 this genius made a copper egg stand on end by using his rotating magnetic field device to rapidly spin it Nikola Tesla |
| #8416, aired 2021-06-07 | SCIENCE & TECHNOLOGY $2000: In 2018 scientists discovered Przewalski's this animal is not truly wild but was once domesticated over 5,000 years ago a horse |
| #8399, aired 2021-05-13 | SCIENCE $400: A 2020 study says that in the 2030s the Amazon tropical forest may go from a net absorber to a net emitter of this gas carbon dioxide |
| #8387, aired 2021-04-27 | WORDS THAT START WITH 2 VOWELS $2000: The science & practice of traveling through the air in a plane or other vehicle aeronautics |
| #8373, aired 2021-04-07 | DISCOVERIES IN SCIENCE $800: The first one of these discovered in the human body was secretin, produced by the small intestine, in 1902 a hormone |
| #8373, aired 2021-04-07 | DISCOVERIES IN SCIENCE $1200: The discovery of a fault scarp in Washington state showed that recent tremors are these still happening from an 1872 earthquake aftershocks |
| #8373, aired 2021-04-07 | DISCOVERIES IN SCIENCE $2000: A 9-year-old found a clavicle that turned out to belong to an unknown species of this "southern ape" genus that also included Lucy Australopithecus |
| #8369, aired 2021-04-01 | SCIENCE & SCIENTISTS $200: Cultures of microorganisms are grown in this shallow vessel named for a bacteriologist a Petri dish |
| #8363, aired 2021-03-24 | THE NEBULA AWARDS $200: The Dramatic Presentation Award is named for this Martian chronicler who joined the L.A. Science Fiction League in 1937 Bradbury |
| #8351, aired 2021-03-08 | SCIENCE TIME $1200: In 1995 physicist Melissa Franklin was part of the team that discovered the elusive "top" one of these a quark |
| #8348, aired 2021-03-03 | SCIENCE $4,000 (Daily Double): Working according to the same principles as a laser, a maser gets the "M" in its name from this word microwave |
| #8340, aired 2021-02-19 | DR. YES (M.D., NO) $3,000 (Daily Double): One of the 1st women to get a doctorate in this 2-word field, Barbara Jane Liskov won a Turing Award, the field's highest honor computer science |
| #8335, aired 2021-02-12 | SCIENCE $600: (Dr. Markaisa Black presents the clue.) In 1996, a team at Roslin Institute in Scotland used a technique known as somatic cell nuclear transfer to produce the first clone of an adult mammal, a Finn Dorset sheep named this Dolly |
| #8329, aired 2021-02-04 | SCIENCE "D"ICTIONARY $1600: A standard term in statistics, it's the difference between one of a set of values & the mean value of the same set deviation |
| #8324, aired 2021-01-28 | SCIENCE CLASS $2000: Also meaning a mark of disgrace, in botany, it's the part of a flower where pollination occurs the stigma |
| #8323, aired 2021-01-27 | SCIENCE & NATURE $800: Sir Humphry Davy named this element, symbol Mg, for a place in Greece magnesium |
| #8318, aired 2021-01-20 | SCIENCE GLOSSARY $400: These rod-shaped structures in a cell's nucleus carry its genetic information chromosomes |
| #8312, aired 2021-01-12 | SCIENCE CENTER $1200: This non-imperial measure was originally defined as one 10-millionth the distance from the North Pole to the equator a meter |
| #8312, aired 2021-01-12 | SCIENCE CENTER $2000: Iceland is a leader in the generation of this type of renewable energy, from words meaning "earth" & "heat" geothermal |
| #8307, aired 2021-01-05 | COLORFUL SCIENCE $800: This color "shift" is the increase in wavelength of light emitted by a source moving away from an observer the red shift |
| #8307, aired 2021-01-05 | COLORFUL SCIENCE $1600: When dipped in a solution with pH above 8.3. litmus paper turns this color blue |
| #8297, aired 2020-12-08 | AUTHORS' ALMA MATERS $1600: It's no science fiction that in 1948 this prolific Russian-born author received a Ph.D in chemistry from Columbia University Isaac Asimov |
| #8292, aired 2020-12-01 | SCIENCE-PODGE $400: The hardest tissue in the body, it covers the crown of a tooth enamel |
| #8270, aired 2020-10-30 | 2-WORD SCIENCE TERMS $600: Coal & natural gas are types of this alliterative stuff formed in the earth from plant or animal remains, & used as a source of energy fossil fuels |
| #8269, aired 2020-10-29 | SCIENCE TV $800: When it's a slow space news day, NASA TV may show a view of Earth from this, launched in 1998 the International Space Station |
| #8223, aired 2020-05-27 | SCIENCE NOW! $400: In 2019, using the Event Horizon Telescope, the first of these cosmic objects was photographed a black hole |
| #8223, aired 2020-05-27 | SCIENCE NOW! $1200: Observed in 2019, 2I/Borisov is the first identified one of these bodies of rock & ice to visit from outside our solar system a comet |
| #8221, aired 2020-05-25 | "C" IN SCIENCE $400: The water droplets that sometimes form on the outside of a glass are an example of this process condensation |
| #8221, aired 2020-05-25 | "C" IN SCIENCE $1600: (Sarah of the Clue Crew presents while sitting on a sofa with a dog.) Petting a cat or dog for 10 minutes has been shown to reduce the levels of this 8-letter stress hormone produced by the adrenal glands cortisol |
| #8218, aired 2020-05-20 | ALEXANDER THE GREAT $1200: Inspiring in him an interest in philosophy & science, this Greek philosopher taught Alexander as a teenager Aristotle |
| #8193, aired 2020-04-01 | PLANETARY SCIENCE $400: On Venus one of these lasts 243 Earth ones & the Sun rises in the west & sets in the east a day |
| #8193, aired 2020-04-01 | PLANETARY SCIENCE $1200: In a nod to its composition, Uranus, like Jupiter, is known as this type of "giant" gas |
| #8190, aired 2020-03-27 | 150 YEARS OF NATURE $1000: A 1953 Nature paper, one of the most famous in the history of science, began, "We wish to suggest a structure" for this DNA |
| #8179, aired 2020-03-12 | SCIENCE $400: One definition is "a state in which matter is composed of tightly packed particles & has definite shape & volume" a solid |
| #8179, aired 2020-03-12 | SCIENCE $1200: From the Latin for "third", it's the traditional name for a period in the Cenozoic Era Tertiary |
| #8173, aired 2020-03-04 | SCIENCE $1600: The stamen, the male reproductive organ of a flowering plant, produces pollen in this terminal structure of sacs the anther |
| #8165, aired 2020-02-21 | PULITZER-WINNING JOURNALISM $1200: A Christian Science Monitor reporter won in 1996 for covering a massacre of Muslims at Srebrenica in this former Yugoslav land Bosnia |
| #8150, aired 2020-01-31 | * $400: A footnote in Richard Feynman's Caltech lectures scolds these versifiers who say science reduces the stars' beauty poets |
| #8135, aired 2020-01-10 | SCIENCE AROUND US $800: (Sarah of the Clue Crew presents by a display monitor.) Particles in a solar wind hit the Earth's magnetic shield and head for the Poles then interact with gases in our atmosphere to form this six-letter phenomenon aurora |
| #6, aired 2020-01-09 | PLANE SCIENCE $1200: Light waves with electric fields that vibrate in only a single plane have been this polarized |
| #5, aired 2020-01-09 | WHAT'S IN YOUR BRAIN? $1600: This pea-sized gland secretes a hormone regulating sleep; science has not confirmed Descartes' belief that it's the seat of the soul the pineal |
| #8122, aired 2019-12-24 | THE SPHERE OF SCIENCE $1200: (Jimmy of the Clue Crew presents by a display monitor.) The shortest distance between two points is a straight line. On a sphere, the shortest route is described as this, a term preceding "dome" in a Buckminster Fuller structure geodesic |
| #8122, aired 2019-12-24 | THE SPHERE OF SCIENCE $2000: On Aug. 15, 1934 this craft with "sphere" in its name took 2 men 3,028 feet underwater, a record that stood for 15 years a Bathysphere |
| #8118, aired 2019-12-18 | PLACE ON EARTH $600: Here's a building in UNAM in Mexico City that is the school's Institute of this Chemistry |
| #8113, aired 2019-12-11 | SCIENCE $1600: Symbolized Hf, this element gets its name from a Latin name for Copenhagen, where it was discovered in 1923 hafnium |
| #8110, aired 2019-12-06 | IT'S NOT ROCKET SCIENCE $1600: It's chemistry or physics at a New Brunswick, New Jersey school founded in 1766 Rutgers science |
| #8109, aired 2019-12-05 | THE WORLD ACCORDING TO JEFF GOLDBLUM $1600: In an episode on "Bikes" I visited a company that uses a special wind tunnel to help design the most efficient competitive sports bikes where it's all about this, the science of the way air moves around objects aerodynamics |
| #8108, aired 2019-12-04 | LET'S SCIENCE THE HECK OUT OF THIS $1200: A study of the macaques in this European territory shows that they were descended from imports from Africa Gibraltar |
| #8108, aired 2019-12-04 | LET'S SCIENCE THE HECK OUT OF THIS $1600: The polar night jet is not a new airline; it's another name for this phenomenon that froze the Midwest in Jan. 2019 the polar vortex |
| #8088, aired 2019-11-06 | SCIENCE & EXPLORATION $400: Geneva physics prof Horace de Saussure introduced "geology" into scientific nomenclature in a 1779 work on travels in these mountains the Alps |
| #8088, aired 2019-11-06 | SCIENCE & EXPLORATION $2000: (Sarah of the Clue Crew presents by a display monitor.) According to "National Geographic", since 1995, there have been major collapses of sections A and B of the ice shelf named for this Norwegian explorer; an iceberg about the size of Delaware broke off section C in 2017 Carl Anton Larsen |
| #8069, aired 2019-10-10 | 20th CENTURY NOVELS $200: A futuristic society revolves around science & efficiency in this 1932 novel by Aldous Huxley Brave New World |
| #8067, aired 2019-10-08 | MAKE LIGHT WORK $800: 10 projectors show astronomical wonders in the USA's largest of these facilities, at a Jersey City science center a planetarium |
| #8066, aired 2019-10-07 | SCIENCE BULLETIN $400: This event that killed more than 400 along the coast of Indonesia in 2018 was due to a collapsing volcano, not an earthquake a tsunami |
| #8066, aired 2019-10-07 | SCIENCE BULLETIN $800: A campaign to promote handwashing in Australian hospitals greatly reduced infections of this bacterium, the "S" in MRSA staphylococcus |
| #8061, aired 2019-09-30 | "S"EVEN-LETTER SCIENCE $200: This complex organic compound is found in many plants & is used as a sweetening agent sucrose |
| #8055, aired 2019-09-20 | THE BOOK NOOK $400: "Pebble in the Sky" was his first novel, the "Foundation" of a long & prolific career writing science fiction Asimov |
| #8053, aired 2019-09-18 | SCIENCE $1,000 (Daily Double): During a total solar eclipse, you can glimpse this "colorful" layer of the Sun just above the photosphere the chromosphere |
| #8048, aired 2019-09-11 | IT IS ROCKET SCIENCE $2000: (Jimmy of the Clue Crew reports from SpaceX in Hawthorne, California.) Landing Falcon 9's first stage has been compared to launching a pencil over a skyscraper in a windstorm & catching it on a shoebox; key to the landing are the steerable fins that control yaw, pitch, & this rotation along the nose-to-tail axis roll |
| #8043, aired 2019-07-24 | "P" IS FOR SCIENCE $400: When an egg cell in a flower fertilizes itself, it's called "self-" this pollinating |
| #8043, aired 2019-07-24 | "P" IS FOR SCIENCE $1200: Among species, there are brood, social & sexual types of this relationship in which someone is usually a loser a parasitic relationship |
| #8036, aired 2019-07-15 | "I" ON SCIENCE $11,000 (Daily Double): A woman's eggs are fertilized outside her body in this method of assisted reproductive technology in vitro |
| #8033, aired 2019-07-10 | SCIENCE NEWS $400: In 2017 scientists developed a faster way to make magnesite, a mineral that can capture & store this greenhouse gas carbon dioxide |
| #8033, aired 2019-07-10 | SCIENCE NEWS $1200: In 2016 at least 15 new species of these sticky-footed lizards were found in a 55-by-30-mile area of southeast Asia a gecko |
| #8024, aired 2019-06-27 | SPACE SCIENCE $1,400 (Daily Double): This measure of distance in the universe is equal to 3.26 light years a parsec |
| #8006, aired 2019-06-03 | SCIENCE $400: This triangular object can make a mini-rainbow because different colors in light travel at different speeds in it a prism |
| #7997, aired 2019-05-21 | NEW IN SCIENCE $400: The blood vessels in its gills gave a clue that the opah is an unusual fish of this type AKA homeothermic warm-blooded |
| #7997, aired 2019-05-21 | NEW IN SCIENCE $2000: Subject of "The Imitation Game", this British mathematician wrote one chemistry paper & it's being used in a new desalination method (Alan) Turing |
| #7985, aired 2019-05-03 | GETTING ALL SCIENCE "E" $800: This branch of zoology that focuses on insects emerged as a distinct field of study in the early 19th century entomology |
| #7978, aired 2019-04-24 | SCIENCE CENTRAL $1600: In 1916 the great chemist Gilbert Lewis called the central part of an atom this, a word we use for the seed in an apricot pit the kernel |
| #7978, aired 2019-04-24 | SCIENCE CENTRAL $2,200 (Daily Double): The nucleolus is really central as the most prominent structure in the nucleus of this a cell |
| #7970, aired 2019-04-12 | SCIENCE $800: The largest one of these ever recorded was 1,720 feet high & slammed into the Alaskan panhandle in 1958 following an earthquake a tsunami |
| #7965, aired 2019-04-05 | 18th CENTURY SCIENCE $800: Though he didn't live to see it, he accurately predicted that a comet seen previously would return in 1758 Halley |
| #7965, aired 2019-04-05 | 18th CENTURY SCIENCE $2000: In 1787, but not on a midsummer night, William Herschel discovered these 2 largest moons of Uranus Oberon and Titania |
| #7965, aired 2019-04-05 | 18th CENTURY SCIENCE $4,000 (Daily Double): Next time you grab a soda, you can thank Joseph Priestley, who dissolved this gas in water in 1768, making it fizzy carbon dioxide |
| #7956, aired 2019-03-25 | IS IT SCIENCE? $600: Chemistry sure is; in fact, it's this 4-letter kind of science dealing with things that can be observed & measured hard science |
| #7949, aired 2019-03-14 | THAT'S MY MATH OR SCIENCE THING! $800: Here's our in-depth examination of cats and dogs in this diagram, named for a 19th-century English logician Venn |
| #7941, aired 2019-03-04 | COMPUTER SCIENCE $1600: It's the basic unit of information in the powerful machines called quantum computers a qubit |
| #7922, aired 2019-02-05 | SCIENCE FICTION $400: "World War Z" is Max Brooks' history of a global war in the near future against these zombies |
| #7922, aired 2019-02-05 | SCIENCE FICTION $800: The richest man on Earth travels through space with a beautiful woman at his side in Kurt Vonnegut's these "of Titan" sirens |
| #7922, aired 2019-02-05 | SCIENCE FICTION $1,000 (Daily Double): As well as playing in the "Dune"s, this sci-fi author penned "The White Plague", about a mad scientist's quest for revenge Frank Herbert |
| #7911, aired 2019-01-21 | STEAMY SCIENCE $800: A steam iron smoothes wrinkles because heat breaks these between molecules of cellulose in fiber like cotton bonds |
| #7911, aired 2019-01-21 | STEAMY SCIENCE $10,800 (Daily Double): Earthquakes have lengthened the average interval between its famed eruptions of water & steam by about 30 minutes Old Faithful |
| #7910, aired 2019-01-18 | SOME SCIENCE, THEN DEATH $1200: Made a huge leap in the vaccination field (which he helped pioneer) in 1879; had milked life for all it was worth by 1895 Pasteur |
| #7910, aired 2019-01-18 | SOME SCIENCE, THEN DEATH $5,000 (Daily Double): Wrote the book on plant classification--"Species Plantarum"--in 1753; pushing up daisies in 1778 Linnaeus |
| #7889, aired 2018-12-20 | WORDS OF SCIENCE $1,000 (Daily Double): In physics, it's a substance that technically can be gas or liquid & that conforms to the shape of the vessel holding it a fluid |
| #7889, aired 2018-12-20 | WORDS OF SCIENCE $1000: This type of heat is absorbed or released when a substance changes from one state to another w/o a rise in temp. latent heat |
| #7886, aired 2018-12-17 | WOMEN IN MATH & SCIENCE $400: In 1923 Edith Quimby devised a way to use this type of radiographic film to accurately gauge exposure to radiation X-ray film |
| #7886, aired 2018-12-17 | WOMEN IN MATH & SCIENCE $800: For WWII Katharine Blodgett found a way for 2 quarts of oil to make this cloaking "screen" cover several acres a smokescreen |
| #7884, aired 2018-12-13 | A SCIENCE BOOK $400: "Full Rip 9.0" examines the signs & possibilities of the next big one of these in the western United States an earthquake |
| #7884, aired 2018-12-13 | A SCIENCE BOOK $800: A 65-million-year-old story is told in "Flying Dinosaurs: How Fearsome Reptiles Became" these birds |
| #7884, aired 2018-12-13 | A SCIENCE BOOK $1600: Subtitled "The Plant That Changed the World" in John Gaudet's study, this species was first widely used in ancient Egypt papyrus |
| #7884, aired 2018-12-13 | A SCIENCE BOOK $2000: In 2013 this late physicist released an autobiography titled "My Brief History" Stephen Hawking |
| #7871, aired 2018-11-26 | EARTH SCIENCE $400: In a double one of these weather phenomena, the colors in the secondary one are reversed a rainbow |
| #7871, aired 2018-11-26 | EARTH SCIENCE $1600: Standard this measurement is 1,013 millibars at sea level; in a 2007 Texas tornado, a 194-millibar drop was recorded barometric pressure |
| #7829, aired 2018-09-27 | CLUES ACROSS PHILADELPHIA $600 (Daily Double): (I'm Jim Gardner from 6ABC.) Naturally, the science institute named for Ben Franklin has a permanent exhibit on this, the subject of a book on Ben Franklin's work published in 1751 electricity |
| #7817, aired 2018-09-11 | SCIENCE AROUND US $1000: A new bacterium, Ideonella sakaiensis, could soon help degrade these polymers in landfills plastics |
| #7808, aired 2018-07-18 | A LITTLE SCIENCE $400: This unit counted by dieters properly has "kilo" in front of it calorie |
| #7804, aired 2018-07-12 | MATH & SCIENCE $1600: The equation y2=2px describes this conic section, the shape of the arch in some bridges a parabola |
| #7791, aired 2018-06-25 | SCIENCE STUFF $1600: The collapse of the top of a volcano's cone often forms this bowl-shaped depression in a volcano a caldera |
| #7783, aired 2018-06-13 | SCIENCE $1000: First predicted in 1930, this particle with no charge goes through miles of matter without reacting with a proton or neutron neutrinos |
| #7781, aired 2018-06-11 | SCIENCE & TECHNOLOGY BOOKS $3,000 (Daily Double): Recalibrating our emotions & restocking our immune systems are 2 good reasons "Why We" do this in a recent title sleep |
| #7778, aired 2018-06-06 | THE SCIENCE OF MECHANICS $1600: (Kelly of the Clue Crew shows a load being pulled up a hill on the monitor.) A common example in mechanics is the use of an inclined plane to raise a load; measured in joules or in foot-pounds, this is equal to force times distance work |
| #7777, aired 2018-06-05 | 17th CENTURY SCIENCE $400: A clock invented by Christiaan Huygens using this feature that oscillates was the accuracy standard until quartz in 1927 a pendulum |
| #7777, aired 2018-06-05 | 17th CENTURY SCIENCE $800: Working at the Royal Observatory in Paris in 1676, Ole Romer demonstrated that this travels at a finite speed light |
| #7767, aired 2018-05-22 | SCIENCE $2000: A meteor about as bright as Venus in the sky has this 8-letter incendiary name a fireball |
| #7764, aired 2018-05-17 | LET'S GET SCIENC"E" $800: In science talk, it's a gamete an egg |
| #7761, aired 2018-05-14 | LIFE SCIENCE MILESTONES $2000: In 1717 Thomas Fairchild dusted a sweet William with carnation pollen for the 1st purposely created plant of this type a hybrid |
| #7752, aired 2018-05-01 | SCIENCE FRICTION $2,800 (Daily Double): In a 19th c. spat in this field, O.C. Marsh won a round when it turned out E.D. Cope had put an elasmosaurus skull on the tail paleontology |
| #7744, aired 2018-04-19 | STRAIGHT "A"s IN SCIENCE $400: Get in shape with this word that means occurring in the presence of oxygen aerobic |
| #7744, aired 2018-04-19 | STRAIGHT "A"s IN SCIENCE $800: In an electric circuit, it's a cathode's opposite number an anode |
| #7744, aired 2018-04-19 | STRAIGHT "A"s IN SCIENCE $1200: The law that the upward force on a submerged body equals the weight of the displaced fluid is this man's principle Archimedes |
| #7744, aired 2018-04-19 | STRAIGHT "A"s IN SCIENCE $2000: (Jimmy of the Clue Crew shows a wave on the monitor.) The distance between two peaks of a wave is the wavelength; the distance from the peak to the wave's midpoint is this 9-letter word amplitude |
| #7744, aired 2018-04-19 | STRAIGHT "A"s IN SCIENCE $3,000 (Daily Double): Immunoglobulins, which attack foreign substances inside you, are AKA these antibodies |
| #7740, aired 2018-04-13 | SCIENCE LAB $1200: A leading lab technique, Western blot helps us identify specific sequences in these chains of amino acids proteins |
| #7736, aired 2018-04-09 | TRY THIS ON FOR SCIENCE $800: (Kelly of the Clue Crew shows DNA bases on the monitor.) A single alteration in the sequence of bases in a DNA molecule, such as a change from thymine to cytosine, is the point type of this mutation |
| #7736, aired 2018-04-09 | TRY THIS ON FOR SCIENCE $1200: It's 1,836 times the mass of an electron & equal & opposite in charge a proton |
| #7736, aired 2018-04-09 | TRY THIS ON FOR SCIENCE $1600: There are 602 sextillion, 200 quintillion atoms in one of these standard international base units a mole |
| #7676, aired 2018-01-15 | SCIENCE WITH IAIN ARMITAGE $200: (Iain Armitage presents the clue.) Faults like the San Andreas are named for their movement along the fault plane... this way, which Sheldon's dad would know as a sideways pass in football lateral |
| #7676, aired 2018-01-15 | SCIENCE WITH IAIN ARMITAGE $600: (Iain Armitage presents the clue.) In 1964 the brilliant physicist Richard Feynman said, "Nobody understands" this type of mechanics of the subatomic world, but we're doing a lot better now quantum mechanics |
| #7676, aired 2018-01-15 | SCIENCE WITH IAIN ARMITAGE $800: (Iain Armitage presents the clue.) The way we got this term for a bond between an electron pair is that the electrons in the outermost shell of an atom are called valence electrons covalent |
| #7668, aired 2018-01-03 | PALEOLITHIC $600: In 2008 the Lombok, a paleo-era type of this craft, navigated Indonesian waters for science a raft |
| #7643, aired 2017-11-29 | SCIENCE & NATURE $800: In 1985 a paper documented a "hole" over the south polar region in this layer of the atmosphere the ozone layer |
| #7641, aired 2017-11-27 | WET SCIENCE $1200: A halocline occurs when fresh water sits on top of salt water, the separation caused by the difference in this specific gravity (or density) |
| #7641, aired 2017-11-27 | WET SCIENCE $2000: The lake in the center of the Kawah Ijen this in Indonesia has a pH of less than 1 a volcano |
| #7636, aired 2017-11-20 | LITERATURE, SCIENCE & THE ARTS $1000: In 1704 Newton published a groundbreaking treatise on this science of light optics |
| #7630, aired 2017-11-10 | SCIENCE FICTION $800: In John Wyndham's 1951 novel "The Day of" these, "these" are carnivorous plants that can walk & kill a man the triffids |
| #7630, aired 2017-11-10 | SCIENCE FICTION $1600: In "A Princess of Mars", this fictional Civil War vet is transported to Mars & meets the beautiful Dejah Thoris John Carter |
| #7627, aired 2017-11-07 | BRANCHES OF SCIENCE $800: There's a Roman god in this term for the study of places like Mount Saint Helens vulcanology |
| #7600, aired 2017-09-29 | SCIENCE FICTION $200: Published in 1950, these Ray Bradbury "Chronicles" begin in 1999, when men leave Earth to colonize a nearby planet The Martian Chronicles |
| #7600, aired 2017-09-29 | SCIENCE FICTION $600: In this William Gibson novel, the title Mona gets involved with a corporation called Sense/Net Mona Lisa Overdrive |
| #7578, aired 2017-07-19 | DOWN TO A "SCIENCE" $600: Everyone could see Thomas Dolby was poetry in motion with this 1983 Top 10 hit "She Blinded Me With Science" |
| #7565, aired 2017-06-30 | SHAKE, RATTLE & ROLL WITH SCIENCE $600: Also meaning to upset someone, it's a fancy chemistry word for "shake", as in "Stopper the tube & ____ the solution" agitate |
| #7565, aired 2017-06-30 | SHAKE, RATTLE & ROLL WITH SCIENCE $800: When you roll through a loop-de-loop on roller coasters, this 7-letter property keeps you in your seat inertia |
| #7546, aired 2017-06-05 | SCIENCE TERMS $1600: Endosymbiosis is a form of interaction in which one organism lives here in relation to its host inside |
| #7545, aired 2017-06-02 | SCIENCE & NATURE $800: Evolutionary term for changes in behavior & /or physiology of an organism to become suited to a new environment adaptation |
| #7545, aired 2017-06-02 | SCIENCE & NATURE $1200: This hardest tissue in the body covers the crown of a tooth in mammals enamel |
| #7534, aired 2017-05-18 | WRITTEN IN 18-SOMETHING $600: This 1898 science fantasy was brought to horrifying quasi-reality in a 1938 Orson Welles broadcast The War of the Worlds |
| #7508, aired 2017-04-12 | PUPPETS $2000: Crow & Tom Servo gave their running commentary for "This Island Earth" in a 1996 movie based on this TV show Mystery Science Theater 3000 |
| #7500, aired 2017-03-31 | GENERAL SCIENCE $800: In 1851 this scientist used a pendulum in the pantheon in Paris to show that the Earth rotates on its axis (Jean) Foucault |
| #7426, aired 2016-12-19 | UNDER THE CHRISTMAS TREE $200: Little Susie loves science, so the Omano OM117L was a great choice; it's 2 of these in one--dissecting & compound a microscope |
| #7426, aired 2016-12-19 | SCIENCE NEWS $400: Soak this in: a minivan-sized one of these multicellular aquatic creatures was found off the coast of Hawaii a sponge |
| #7411, aired 2016-11-28 | EARTH SCIENCE $400: Way back in the 2nd century A.D., Chinese scholar Zhang Heng made a device called a seismoscope to detect these earthquakes |
| #7410, aired 2016-11-25 | THE MAP OF SCIENCE $400: In 2005 Korean scientist Hwang Woo-suk got a dog, Snuppy, the world's first pooch of this type cloned |
| #7404, aired 2016-11-17 | IT'S "LIT" $400: You've probably used this in a lab or science class litmus paper |
| #7398, aired 2016-11-09 | SCIENCE GUYS $400: This Austrian monk found pairs of genes separate in a random fashion when a plant's gametes form Mendel |
| #7393, aired 2016-11-02 | "D" IN SCIENCE $400: The mass of a substance divided by volume gives you this density |
| #7393, aired 2016-11-02 | "D" IN SCIENCE $800: A common form of glucose, it's also known as grape sugar or corn sugar dextrose |
| #7393, aired 2016-11-02 | "D" IN SCIENCE $2000: (Sarah of the Clue Crew shows wildlife images on the monitor.) Physical differences between males & females of the same species, like the large male lion with his mane or the coloring of a peacock versus a peahen, is called "sexual" this, from Greek for "having two shapes" dimorphism |
| #7382, aired 2016-10-18 | WHAT CAN YOU BUY FOR A BUCK? $1000: For your Kindle a "megapack" of 15 classic stories in this genre by Philip K. Dick science fiction |
| #7381, aired 2016-10-17 | AN "F" IN SCIENCE $600: (Sarah of the Clue Crew shows an anatomical illustration on the monitor.) The most common ankle fracture is a break of the bony knob called the lateral malleolus, which is actually an outer projection of this lower-leg bone the fibula |
| #7361, aired 2016-09-19 | SCIENCE CLASS $400: In 2013 the asteroid Chariklo became the 1st nonplanet found with these, 2 surrounding it with a 6-mile gap between them rings |
| #7358, aired 2016-09-14 | FOLKS OF SCIENCE $400: The first American woman in space, she later became a professor of physics at UC San Diego Sally Ride |
| #7358, aired 2016-09-14 | AWARDS FOR WRITING $2,400 (Daily Double): This science fiction award is named for an interstellar gas cloud the Nebula Award |
| #7346, aired 2016-07-18 | SCIENCE $600: Humans have 2 of these long bones, the longest in the body a femur |
| #7346, aired 2016-07-18 | SCIENCE $1000: Self-healing like the T-1000, the "terminator" type of this macromolecule compound was discovered in 2013 a polymer |
| #7337, aired 2016-07-05 | WOMEN IN SCIENCE $400: 2 years before Crick & Watson, Rosalind Franklin used X-ray diffraction to show it had a helical shape DNA |
| #7337, aired 2016-07-05 | WOMEN IN SCIENCE $800: Astronomer Annie Jump Cannon developed a system of classifying stars & discovered 5 of these exploding ones novas |
| #7337, aired 2016-07-05 | WOMEN IN SCIENCE $1000: With her husband George, Gladys Dick found the cause of this childhood disease named for its red skin rash & came up with a cure scarlet fever |
| #7331, aired 2016-06-27 | FOOD & DRINK SCIENCE $2000: Green bananas produce this gas, which causes them to ripen; trapping the gas in a bag speeds up the process ethylene |
| #7325, aired 2016-06-17 | EARTH SCIENCE $1200: (Kelly of the Clue Crew shows a diagram on the monitor.) Passenger planes typically cruise at an altitude in the lower part of this atmospheric layer, between the troposphere & the mesosphere the stratosphere |
| #7321, aired 2016-06-13 | NEW IN SCIENCE $800: The World Health Organization says that due in part to a Tali-ban on vaccinations, this paralytic disease is on the upswing polio |
| #7321, aired 2016-06-13 | NEW IN SCIENCE $1600: In 2015, the Intl. Year of Light, new uses of this beam device included making metal water-repellent & measuring sharks a laser |
| #7321, aired 2016-06-13 | NEW IN SCIENCE $2000: Scientists are helping Darwin's finches on these islands fight off parasitic flies with the help of a mild pesticide the Galápagos |
| #7317, aired 2016-06-07 | FROM NOAH WEBSTER'S 1828 DICTIONARY $2000: "The doctrine, science, or art of sailing in the air, by means of a balloon" aeronautics |
| #7317, aired 2016-06-07 | FROM NOAH WEBSTER'S 1828 DICTIONARY $3,000 (Daily Double): "One versed in the science of government and the art of governing"; also "a man of artifice or deep contrivance" a politician |
| #7286, aired 2016-04-25 | SCIENCE UPDATE $200: A 2016 report says the world's food supply is in trouble with the decline of bees & others who do this important job pollinators |
| #7286, aired 2016-04-25 | SCIENCE UPDATE $600: A 62-mile crater discovered in Greenland in 2012, was created by a 3-billion-year-old one of these a meteorite |
| #7286, aired 2016-04-25 | SCIENCE UPDATE $800: In 2015 a team of Harvard scientists announced a breakthrough using anti-malarial drugs to treat this neuron disease Parkinson's |
| #7278, aired 2016-04-13 | RANDOMNESS IN SCIENCE $200: This 5-letter theory explores ideas like a butterfly's random wingbeat influencing events miles away chaos |
| #7278, aired 2016-04-13 | RANDOMNESS IN SCIENCE $400: From the Latin for "change", these random variations are retained in a species gene pool mutations |
| #7278, aired 2016-04-13 | RANDOMNESS IN SCIENCE $800: Also used to describe the scattering of reflected light, it's the random movement of molecules in a fluid diffusion |
| #7266, aired 2016-03-28 | WOMEN IN SCIENCE $400: In 1702 Maria Winckelmann Kirch became the first woman to discover one of these heavenly travelers a comet |
| #7266, aired 2016-03-28 | WOMEN IN SCIENCE $800: In 1929 President Herbert Hoover presented her with a $50,000 check to buy a gram of radium for a Warsaw lab Marie Curie |
| #7266, aired 2016-03-28 | WOMEN IN SCIENCE $2,400 (Daily Double): In June 1960 she began studying Vervet monkeys on an island in Lake Victoria, as a trial run for her later chimp studies Jane Goodall |
| #7246, aired 2016-02-29 | OLD-TIME SCIENCE $2000: Mutation is part of modern genetics; put a syllable before it to get this change of base metals to gold in alchemy transmutation |
| #7222, aired 2016-01-26 | SCIENCE UPDATE $600: (Sarah of the Clue Crew shows an astronomical animation on the monitor.) In 2015, NASA said there appears to be a saltwater ocean, with more water than exists on the surface Earth, beneath the icy crust of Ganymede, the largest moon of this planet Jupiter |
| #7222, aired 2016-01-26 | SCIENCE UPDATE $800: In 2015 the earliest known case of this blood cancer was identified in a 7,000-year-old skeleton from Germany leukemia |
| #7222, aired 2016-01-26 | SCIENCE UPDATE $1000: In 2015 astronomers found 2 giant ones orbiting each other at the center of a nearby quasar black holes |
| #7205, aired 2016-01-01 | GENERAL SCIENCE $400: Ferritin is a protein found in the liver & spleen that binds to this element for storage iron |
| #7205, aired 2016-01-01 | GENERAL SCIENCE $1200: (Sarah of the Clue Crew demonstrates.) The secret behind what's called instant snow is sodium polyacrylate, a material also used in diapers; add water, & it expands to 100 times in volume because it's an "SAP", the "SA" standing for this amazing type of polymer; notice the water is all gone superabsorbent |
| #7205, aired 2016-01-01 | GENERAL SCIENCE $1600: In 2015 scientists filmed the nervous system at work for the first time using the larva of this 2-winged food pest a fruit fly |
| #7200, aired 2015-12-25 | BREWING BEER $800: (Sarah of the Clue Crew delivers the clue from the UC Davis Malting & Brewing Science program.) Boiling to sterilize the liquid & get rid of some of the grainy taste happens in a brew kettle, also called by the name of this metal from which it was traditionally made copper |
| #7187, aired 2015-12-08 | SCIENCE $600: A plant that lives & dies in one growing season is an annual; irises are this type that lives 3 or more years perennial |
| #7151, aired 2015-10-19 | SCIENCE & GEOMETRY $1200: (Kelly of the Clue Crew demonstrates.) Two batteries connected in a simple series circuit combine their voltage to produce a bright light; when they're connected in this type of circuit with a geometric name, they have a longer life but produce a dimmer light parallel |
| #7149, aired 2015-10-15 | SCIENCE & NATURE $800: A Mormon cricket is a long-horned type of this insect; if we could jump like them, we could leap about 120 feet in the air a grasshopper |
| #7138, aired 2015-09-30 | "C" IN SCIENCE $800: Sounds sweet, but it's actually an electronic footprint that allows websites to monitor a user's online movements a cookie |
| #7138, aired 2015-09-30 | "C" IN SCIENCE $1200: (Kelly of the Clue Crew demonstrates.) A spin device can cool a warm drink fast by spinning liquid from the center to the cold outer edge of the can, speeding up this heat-transfer process, also used in many ovens convection |
| #7125, aired 2015-07-31 | AT THE MUSEUM $400: An Oregon science museum has the USS Blueback, one of these; in addition to its navy days, it was in "The Hunt For Red October" a submarine |
| #7124, aired 2015-07-30 | MEDICAL HISTORY $800: (Sarah of the Clue Crew reports from the Dittrick Medical History Center in Cleveland, OH.) 19th-century doctors thought that the brain shrank & grew with use, leaving corresponding contours on the skull, which were read to determine a person's abilities and traits, using the 3-D bust as a reference guide in this pseudo-science phrenology |
| #7123, aired 2015-07-29 | COLD SCIENCE $400: Proteins in Antarctic fishes act as a type of this, like Prestone in your car antifreeze |
| #7123, aired 2015-07-29 | COLD SCIENCE $800: (Kelly of the Clue Crew reports from a testing facility at NASA Glenn Research Ctr in Cleveland, OH.) To simulate the temperatures in space, a cold wall inside the testing chamber uses this substance, LN, that can cause frostbite on contact liquid nitrogen |
| #7098, aired 2015-06-24 | MOVING FORWARD IN SCIENCE $400: Positive, negative or zero, the electric type of this is a basic property of elementary particles charge |
| #7098, aired 2015-06-24 | MOVING FORWARD IN SCIENCE $1600: Arthur Eddington used the image of this object, a weapon & indicator, to explore why time only goes forward the arrow |
| #7074, aired 2015-05-21 | "C" IN SCIENCE $400: It's a substance that accelerates a chemical reaction without itself being affected a catalyst |
| #7074, aired 2015-05-21 | "C" IN SCIENCE $800: It's a process, such as nuclear fission, in which the result of one event triggers another, usually of the same kind a chain reaction |
| #7074, aired 2015-05-21 | "C" IN SCIENCE $1200: African-American chemist Percy Julian invented a synthetic form of this adrenal hormone & "miracle drug" cortisone |
| #7054, aired 2015-04-23 | SCIENCE TERMS IN FRENCH $200: This part of a cell that contains the chromosomes is "le noyau" the nucleus |
| #7054, aired 2015-04-23 | SCIENCE TERMS IN FRENCH $400: With or without Monsieur Bunsen, "un bec", one of these, should get temperatures rising a burner |
| #7054, aired 2015-04-23 | SCIENCE TERMS IN FRENCH $1000: You'll be all-powerful when you attach the wires to "les electrodes" on this, "la pile" a battery |
| #7054, aired 2015-04-23 | SCIENCE TERMS IN FRENCH $2,200 (Daily Double): In chemistry, "une liaison" is one of these, perhaps "ionique" a bond |
| #7047, aired 2015-04-14 | GENERAL SCIENCE $200: In 2014 scientists found the first evidence of tectonic plates outside the Earth on a moon of this largest planet Jupiter |
| #7047, aired 2015-04-14 | GENERAL SCIENCE $800: In a lead-acid battery, this liquid used to conduct current is usually 35% sulfuric acid, 65% water the electrolyte |
| #7037, aired 2015-03-31 | INSTRUMENTAL IN SCIENCE $200: (Jimmy of the Clue Crew, at Harvard University's Historical Scientific Instruments, holds a metal right angle with a plumb bob.) One instrument, a geometrical & military compass, was used to find areas & volumes, & even determined how best to load & aim a cannon, thanks to this Italian astronomer, who devised it in 1597 Galileo |
| #7037, aired 2015-03-31 | INSTRUMENTAL IN SCIENCE $400: (Sarah of the Clue Crew, at Harvard University's Historical Scientific Instruments, shows an enclosed clockwork model.) Clockmaker Joseph Pope was about halfway through his 12-year project of building a gear-driven model of the solar system that showed the relative motion of the planets & their satellites, when in 1781, this planet was discovered, but rather than start over, he didn't include it Uranus |
| #7037, aired 2015-03-31 | INSTRUMENTAL IN SCIENCE $800: (Jimmy of the Clue Crew, at Harvard University's Historical Scientific Instruments, shows a console.) From 1947 to 2002, this control console was at the Harvard cyclotron lab for pioneering research now used to treat cancer; the surrounding healthy tissue is relatively undamaged, but the cancer cells are destroyed by irradiation with these positive particles protons |
| #7037, aired 2015-03-31 | INSTRUMENTAL IN SCIENCE $1000: (Jimmy of the Clue Crew, at Harvard University's Historical Scientific Instruments, shows a machine.) Harvard lost most of its scientific equipment in a 1764 fire; state-of-the-art replacements, like an electricity-generating machine, were bought by this man in London on business for the colony of Pennsylvania Benjamin Franklin |
| #7034, aired 2015-03-26 | SCIENCE MUSEUMS $800: Want to touch a moon rock? Then check out the Milestones of Flight hall in this Smithsonian museum the Air & Space Museum |
| #7027, aired 2015-03-17 | THE SALEM WITCH TRIALS $2000: In 1976 Science Magazine blamed the strange behavior of some on ergot, this type of organism that grows on grains a fungus |
| #7021, aired 2015-03-09 | THE SCIENCE OF SECURITY $400: (Sarah of the Clue Crew presents from Lawrence Livermore Nat'l Laboratory in Livermore, CA.) National security along with national wealth would be enhanced with safe boundless process that powers the Sun; one approach involves a powerful laser working like a spark plug fusion |
| #7021, aired 2015-03-09 | THE SCIENCE OF SECURITY $800: (Sarah of the Clue Crew presents from Lawrence Livermore Nat'l Laboratory in Livermore, CA.) A new military uniform material under development protects personnel from chemical and biological weapons using CNTs or these nanotubes which close up like tiny pores during an attack carbon |
| #7021, aired 2015-03-09 | THE SCIENCE OF SECURITY $1600: (Jimmy of the Clue Crew presents from Lawrence Livermore National Laboratory in Livermore, California) A device to radio activity at ports of entry is called GeMini--"Mini" for its size & "Ge" for this element, whose semiconducting properties & high atomic number make it a great detector material Germanium |
| #7021, aired 2015-03-09 | THE SCIENCE OF SECURITY $2000: (Sarah of the Clue Crew presents from Lawrence Livermore Nat'l Laboratory in Livermore, CA.) The lab's high performance computing with the capacity of 20 quadrillion operations per second is not just helping to build weapons systems, but to model this, which Sec. of State Kerry in 2014 called directly related to the potential of greater conflict climate change |
| #7009, aired 2015-02-19 | SCIENCE FICTION $200: In this Ira Levin novel, a community's women are turned into perfect, loving beautiful....robots! The Stepford Wives |
| #7009, aired 2015-02-19 | SCIENCE FICTION $1000: A flying penguin shows up in "Zero History", a cyberpunk opus from this author of "Mona Lisa Overdrive" William Gibson |
| #7005, aired 2015-02-13 | SCIENCE-Y STUFF $3,000 (Daily Double): Constructed in 1500 by a German explorer, the "Erdapfel", or "Earth Apple", is the world's oldest one of these a globe |
| #7003, aired 2015-02-11 | TV TEACHERS $400: Huffington Post said if you had a science class sub in the '90s, it likely meant watching a VHS of this bow-tied man Bill Nye the Science Guy |
| #7003, aired 2015-02-11 | GENERAL SCIENCE $400: (Sarah of the Clue Crew delivers the clue from the NASA Glenn Research Ctr in Cleveland, OH.) I'm at the Simulated Lunar Operations Facility; NASA re-invented the wheel: a wire wheel with springs molds around rocks & creates better traction with more of this, surface resistance to relative motion friction |
| #7003, aired 2015-02-11 | GENERAL SCIENCE $800: In 1891 Eugene Dubois found a skullcap of Homo erectus on this Indonesian island Java |
| #7003, aired 2015-02-11 | GENERAL SCIENCE $1000: This "action" draws liquid up a narrow tube placed vertically in the liquid capillary action |
| #6993, aired 2015-01-28 | I AM A MAN OF SCIENCE! $800: An astronomer by trade, he took the local temperature & used his fame to get money to build an observatory in Uppsala, Sweden (Anders) Celsius |
| #6987, aired 2015-01-20 | FISHY SCIENCE $200: (Sarah of the Clue Crew presents from the Georgia Aquarium.) If an aquarium vet suspects an abscess or an unseen injury, a thermography camera looks for a difference in this just below the skin's surface temperature |
| #6987, aired 2015-01-20 | FISHY SCIENCE $600: (Sarah of the Clue Crew presents from the Georgia Aquarium.) Tricaine methanesulfonate is anesthesia given in water for fish pre-surgery; it's closely related to this drug from a South American plant, but in more ways than one, the fish won't get hooked cocaine |
| #6983, aired 2015-01-14 | DESIGNERS $800: We know that "The Devil Wears" this designer, but do you know she has a doctorate in political science & studied mime? Prada |
| #6974, aired 2015-01-01 | SCIENCE $1200: The "skin effect" in this movement of electricity through a medium is 'why a hardtop is safer in a lightning strike than a convertible conduction |
| #6967, aired 2014-12-23 | EARTH SCIENCE $1200: Some believe an asteroid strike at Chicxulub, a crater in this peninsular region of Mexico, killed off the dinosaurs the Yucatán |
| #6964, aired 2014-12-18 | U.S NEWS & WORLD REPORT BEST OF 2014 $1000: When it comes to a computer science Ph.D. program, this university in Pittsburgh leads the field Carnegie Mellon |
| #6961, aired 2014-12-15 | ANCIENT SCIENCE $400: Types of this calculating device using wires & sliding balls in a frame were used in Ancient Egypt & China an abacus |
| #6961, aired 2014-12-15 | ANCIENT SCIENCE $1600: Eureka! He dreamed up a "death ray" using mirrors that was shown to be feasible in 2005 Archimedes |
| #6927, aired 2014-10-28 | ANTISOCIAL SCIENCE $800: A book in the "Law, Justice and Power" series is called "Showing" this synonym for "regret", as judges like you to do remorse |
| #6919, aired 2014-10-16 | SOCIAL SCIENCE BOOKS $400: This color comes before "illusions" in the title of a book on the "dirty secrets of clean energy" green |
| #6910, aired 2014-10-03 | "D" IN SCIENCE $400: Cover your ears! A jet taking off has a sound level of about 140 of these units decibels |
| #6910, aired 2014-10-03 | "D" IN SCIENCE $1600: (Kelly of the Clue Crew demonstrates in the science lab.) To find the volume of an odd-shaped object like a rock, submerge it in water & then measure the difference in the water level; the rise is equal to the volume of the added object, & the difference is known by this term displacement |
| #6903, aired 2014-09-24 | PLAY BILL $400: In 2014 this science guy held a live broadcast debate with a creationism guy Bill Nye |
| #6899, aired 2014-09-18 | SCIENCE OF THE SKIES $1200: (Kelly of the Clue Crew presents the clue.) Scarab, an articulating vehicle, can change distance between its wheels, a feature intended to prevent getting fatally stuck in martian sand as this rover did--the partner of Opportunity Spirit |
| #6899, aired 2014-09-18 | SCIENCE OF THE SKIES $1600: (Sarah of the Clue Crew presents the clue.) Researchers at the ballistics impact lab established with countless tests that a one-pound piece of insulating foam pierced the thermal protection system of this shuttle in 2003; the counterintuitive finding helped make the shuttle program safe to fly again Columbia |
| #6888, aired 2014-07-23 | TAKING A VIDEO GAME BREAK $800: Chell is back in Aperture Science Labs & must deal with GLaDOS in this platform-puzzle game "2" Portal |
| #6885, aired 2014-07-18 | SERIOUS TV $1600: In 2014 this astrophysicist showed that science is cool as he led us into "Cosmos: A Spacetime Odyssey" Neil deGrasse Tyson |
| #6881, aired 2014-07-14 | "I" LOVE SCIENCE $1200: (Kelly of the Clue Crew pulls on the end of a string of beads in a beaker, and the whole string comes out.) To create an external force, I'll tug this string, which transfers energy from bead to bead & keeps them moving, illustrating this law of motion inertia |
| #6872, aired 2014-07-01 | ANCIENT SCIENCE $400: Chinese general Huang-ti used a lodestone as one of these around 300 B.C., perhaps by floating it in a bowl a compass |
| #6860, aired 2014-06-13 | "CO"NCERNING SCIENCE $2000: (Sarah of the Clue Crew is in the lab.) The mesh serves as a cap, and this attractive force will hold the water together; so even gravity won't make it leak cohesion |
| #6860, aired 2014-06-13 | "CO"NCERNING SCIENCE $5,600 (Daily Double): In an experiment, the people getting sugar pills instead of the drug being tested are this group a control group |
| #6855, aired 2014-06-06 | SCIENCE STUFF $1200: Early in 2014, the U.S. was put in the deep freeze by a system called this "vortex" polar |
| #6855, aired 2014-06-06 | SCIENCE STUFF $2000: (Sarah of the Clue Crew makes a bubble top to a tub.) The soapy water over the tub expands because the dry ice in the bowl is undergoing this process, in which a solid is transformed directly into a gas sublimation |
| #6853, aired 2014-06-04 | "ISM" QUEST $1200: (I'm science reporter Amy Harmon.) In a "Talk to the Newsroom" feature, I discussed covering the debate over whether this "ism", the belief that God made the universe from nothing, should be taught alongside evolution in science classrooms creationism |
| #6848, aired 2014-05-28 | LOS ALAMOS NATIONAL LABRATORY $400: (Jimmy of the Clue Crew reports from Los Alamos Nat'l Laboratory in New Mexico.) At the heart of the Neutron Science Center is a powerful linear accelerator that accelerates protons to 84% of this, the "c" in E = mc2 the speed of light |
| #6787, aired 2014-03-04 | SCIENCE TIMELINE $800: Sadly, in 2003 it was goodbye to this cloned sheep who was put to sleep due to a lung disease Dolly |
| #6787, aired 2014-03-04 | SCIENCE TIMELINE $1200: Named for a Shakespearean couple, these 2 large moons of Uranus were discovered in 1787 Titania & Oberon |
| #6787, aired 2014-03-04 | SCIENCE TIMELINE $2000: In 1643 this Italian inverted a 4-foot mercury-filled tube in a dish, creating the first barometer Torricelli |
| #6778, aired 2014-02-19 | SCIENCE IN THE WORLD $1200: (Jimmy of the Clue Crew shows a javelin on the monitor.) In 1984, for safety reasons, after one was thrown a staggering 343 feet, the javelin was redesigned to underperform by moving this point, "CM" for short, by 4 centimeters, which keeps the nose down the center of mass |
| #6754, aired 2014-01-16 | SCIENCE FICTION MOVIES $400: This movie jumped the gun a bit in 1996, actually opening on July 3rd Independence Day |
| #6754, aired 2014-01-16 | SCIENCE FICTION MOVIES $800: Giant creatures called kaiju rise from the title ocean & start a war on humanity in this 2013 film Pacific Rim |
| #6754, aired 2014-01-16 | SCIENCE FICTION MOVIES $1200: The title of this 2013 Matt Damon film is a paradise for heroes in Greek mythology Elysium |
| #6754, aired 2014-01-16 | SCIENCE FICTION MOVIES $2000: 1962's "La Jetee", about a man sent back in time to avert apocalypse, was remade as this numeric Bruce Willis film 12 Monkeys |
| #6749, aired 2014-01-09 | 2-WORD SCIENCE TERMS $400: (Sarah of the Clue Crew shows an atomic animation on the monitor.) Absorbing a neutron causes fission in one atom, leading to fission in more and more atoms, creating this process that's usually controlled by nuclear reactors chain reaction |
| #6746, aired 2014-01-06 | SPACE SHUTTLE ENDEAVOUR $200: (Kelly of the Clue Crew reports from the California Science Center in Los Angeles.) In 1993, Endeavour made the first service mission to this malfunctioning project launched three years earlier & gave it what NASA called "a new pair of glasses" the Hubble Space Telescope |
| #6746, aired 2014-01-06 | SPACE SHUTTLE ENDEAVOUR $600: (Kelly of the Clue Crew reports from the California Science Center in Los Angeles.) On Endeavour's first mission, 3 crew members stood atop the shuttle to capture & repair an out-of-control satellite; the hazardous 8½-hour procedure set a record for the longest EVA--this type of activity extravehicular |
| #6746, aired 2014-01-06 | SPACE SHUTTLE ENDEAVOUR $800: (Sarah of the Clue Crew reports from the California Science Center in Los Angeles.) Orbiting 200 miles over Russia, in 1998, Endeavour made a flawless docking with this Russian craft whose name meant "peace" to bring it water, supplies, & a new American crew member Mir |
| #6735, aired 2013-12-20 | PHYSICAL SCIENCE $400: Also a kind of tooth, the sum of the atomic masses in a molecule is called this mass molar mass |
| #6735, aired 2013-12-20 | PHYSICAL SCIENCE $2000: A liquid in an enclosed jar may be in a dynamic equilibrium between the processes of this -ation & condensation evaporation (or vaporization) |
| #6725, aired 2013-12-06 | 19th CENTURY NOTABLES $1200: In 1875 she published the main text of her movement, "Science and Health with a Key to the Scriptures" Mary Baker Eddy |
| #6724, aired 2013-12-05 | THEY GAVE ME A MEDAL $1000: A 1975 National Medal of Science in Engineering was launched at this German, a true rocket man (Wernher) von Braun |
| #6717, aired 2013-11-26 | SCIENCE NEWS $1600: A newly discovered body part, Dua's layer is in this part of the eye that along with the lens does the focusing the cornea |
| #6709, aired 2013-11-14 | PLANT SCIENCE $1600: The "witch" in this shrub's name comes from a word meaning "bend"; helpful when it's used as a divining rod witch hazel |
| #6676, aired 2013-09-30 | HEY, LAD-"E" $800: In 1892 this founder of Christian Science moved to a house called Pleasant View in Concord, New Hampshire Mary Baker Eddy |
| #6664, aired 2013-08-01 | SCIENCE ROUNDUP $800: Usually starting in the upper respiratory tract, the common cold is caused by one of these microorganisms a virus |
| #6645, aired 2013-07-05 | SCIENCE 101 $800: (Sarah demonstrates with a glow stick.) Three components make up light sticks--hydrogen peroxide, phenyl oxalate ester & a florescent dye; the two chemicals excite these negatively-charged particles in the dye, causing the mixture to glow electrons |
| #6624, aired 2013-06-06 | SCIENCE IN SPORTS $400: (Jimmy of the Clue Crew presents the clue.) The force required for a 220-pound running back to stop & turn upfield is about 450 pounds, per this man's third law of motion Newton |
| #6624, aired 2013-06-06 | SCIENCE IN SPORTS $800: Hockey pucks are frozen before a game to reduce this motion-resisting force friction |
| #6624, aired 2013-06-06 | SCIENCE IN SPORTS $1200: Golf's hottest controversy is over a type of this club with a longer shaft to stabilize your swing & nerves putter |
| #6624, aired 2013-06-06 | SCIENCE IN SPORTS $1600: A curveball curves because this is unequal on different sides where the ball's surface meets the air pressure (or wind resistance) |
| #6624, aired 2013-06-06 | SCIENCE IN SPORTS $2000: Geometric arch that's the natural path of a projectile; a narrower one helps free throws, Dwight Howard parabola |
| #6614, aired 2013-05-23 | FUN WITH SCIENCE $1600: Defined as a system of particles uniformly distributed in a gas, it's used in spray paint aerosol |
| #6610, aired 2013-05-17 | SCIENCE FICTION $400: In 1979 this creator of "Star Trek" wrote a novelization of "Star Trek: The Motion Picture" (Gene) Roddenberry |
| #6610, aired 2013-05-17 | SCIENCE FICTION $1200: In 2010's "Blackout", people with this academic job are sent back from 2060 to do fieldwork in World War II history professors |
| #6584, aired 2013-04-11 | GENERAL SCIENCE $800: (Sarah of the Clue Crew shows a chemical equation on a television monitor.) In an equation for a chemical reaction, a formula over the arrow refers to a substance playing this role, speeding up the reaction catalyst |
| #6540, aired 2013-02-08 | WEIRD SCIENCE $200: A 300-mile-long mass of pumice found floating in the Pacific in 2012 was spewed up by an undersea one of these volcano |
| #6521, aired 2013-01-14 | SCIENCE 101 $2000: In 1986 the 101-key IBM keyboard, which became the PC standard, moved these keys from the left to a line across the top function keys |
| #6506, aired 2012-12-24 | SCIENCE & NATURE $2000: Born in 1996, a sheep named this introduced the world to reproductive cloning Dolly |
| #6505, aired 2012-12-21 | "D" IN SCIENCE $1,000 (Daily Double): The name of this part of a neuron comes from the Greek for "pertaining to a tree" a dendrum (dendrite also acceptable) |
| #6495, aired 2012-12-07 | SCIENCE GRAB BAG $400: Cyanosis, a bluish cast to the skin, is caused by a lack of this gas in the blood oxygen |
| #6495, aired 2012-12-07 | SCIENCE GRAB BAG $2000: This male reproductive organ of a flowering plant produces pollen in the anther the stamen |
| #6494, aired 2012-12-06 | 1930s SCIENCE & TECHNOLOGY $1600: In 1930 astronomer Clyde Tombaugh discovered not only Pluto but Shawna, a main-belt one of these asteroid |
| #6494, aired 2012-12-06 | 1930s SCIENCE & TECHNOLOGY $2,400 (Daily Double): In 1935 this American became the first to shoot a liquid-fuel rocket faster than the speed of sound Robert Goddard |
| #6474, aired 2012-11-08 | WEIRDPODGE $1600: Bill Paxton offers up a "greasy pork sandwich served in a dirty ashtray" in this film Weird Science |
| #6472, aired 2012-11-06 | "G", I LOVE SCIENCE $800: (Jimmy of the Clue Crew shows us a diagram of an atomic nucleus.) After radioactive decay, when a nucleus is in a high-energy state, the particles of photons known as these rays are released gamma rays |
| #6470, aired 2012-11-02 | SCIENCE "C" STUFF $2000: (Alex Trebek stands by railroad tracks.) I love the smell of this in the morning; it's a distillation of coal & wood tar, & for years & years, it has been the main preservative for wooden railroad ties (don't say napalm) creosote |
| #6467, aired 2012-10-30 | SCIENCE TERMS $400: A mouthbreeder is one of these, especially a cichlid, that carries eggs or young in its mouth a fish |
| #6467, aired 2012-10-30 | SCIENCE TERMS $800: A big name in air conditioning, or one immune to a disease but able to transmit it a carrier |
| #6459, aired 2012-10-18 | EARLY AMERICAN CONSTRUCTION $2,000 (Daily Double): This 16-letter science of tree-ring dating tells us a structure in Dedham, Mass. is the USA's oldest timber frame house dendrochronology |
| #6452, aired 2012-10-09 | SCIENCE & NATURE $400: Rhizobium is a genus of these microorganisms in the soil that play an important role in nitrogen fixation in plants bacteria |
| #6452, aired 2012-10-09 | SCIENCE & NATURE $800: Common in the east, the yellow-bellied this is a member of the woodpecker family the sapsucker |
| #6452, aired 2012-10-09 | SCIENCE & NATURE $1200: A plume of magma rising from the earth's mantle can split a continental plate in 2 & form this type of valley rift valley |
| #6434, aired 2012-08-02 | GENERAL SCIENCE $1200: (Jimmy of the Clue Crew looks squat.) No, I didn't shrink; I'm standing in front of a typical fun house mirror, which, unlike a regular flat mirror, is this type, curving out toward me, the opposite of concave convex |
| #6410, aired 2012-06-29 | SCIENCE $4,000 (Daily Double): The name of this, seen in the heavens, is a translation of the Latin Via Lactea the Milky Way |
| #6394, aired 2012-06-07 | 11-LETTER WORDS $2000: (Sarah of the Clue Crew gives the clue from Gatorade Sports Science Institute in Barrington, IL.) Making sports drinks taste good as well as have the right amount of sodium is key to helping athletes overcome a natural reluctance to drink during exercise, a phenomenon called voluntary this dehydration |
| #6392, aired 2012-06-05 | MEDICAL HISTORY $200: (Jimmy of the Clue Crew shows us an iron lung at the Int'l Museum of Surgical Science in Chicago.) The iron lung was used when normal breathing was impossible due to lack of muscle control; it was once a standard treatment for this disease that was tamed by vaccines in the 1950s polio |
| #6392, aired 2012-06-05 | MEDICAL HISTORY $400: (Sarah of the Clue Crew holds a medical device at the Int'l Museum of Surgical Science in Chicago.) French surgeon Alexis Carrel invented the perfusion pump, an early type of artificial heart, with the help of this American aviator, who was a mechanic from earliest boyhood (Charles) Lindbergh |
| #6391, aired 2012-06-04 | SCIENCE GRAB BAG $1200: In 2001 Near Shoemaker became the first spacecraft to land on one of these, Eros an asteroid |
| #6390, aired 2012-06-01 | PHYSICS $1200: (Jimmy demonstrates a science principle with a Slinky.) The bottom of a dropped Slinky remains stationary & then falls; in slow motion, you can see the bottom is in equilibrium between the downward pull of gravity & the upward pull of this force that tends to stretch, stress or elongate tension |
| #6388, aired 2012-05-30 | THE WORLD SCIENCE FESTIVAL $400: Held annually in NYC, the WSF was co-founded by Brian Greene, a physics prof. at this nearby Ivy League school Columbia |
| #6388, aired 2012-05-30 | OED TOP SOURCES $1000: Begun in 1869, this periodical billed as "A Weekly Journal of Science" helps with entries from abiogenesis to zygote Nature |
| #6377, aired 2012-05-15 | SCIENCE $800: In the 1910s this German physicist developed a "counter" to detect radiation Dr. Geiger |
| #6372, aired 2012-05-08 | SCIENCE & NATURE $400: In 1960 Theodore Maiman used a synthetic type of this red gem in producing the world's first laser a ruby |
| #6372, aired 2012-05-08 | SCIENCE & NATURE $1600: If the soil in the first lady's garden has a pH reading of 7, it's this, meaning equal in acidity & alkalinity neutral |
| #6359, aired 2012-04-19 | SCIENCE "B" $2000: The higgs type of this elementary particle was postulated by Peter Higgs in 1964 a boson |
| #6308, aired 2012-02-08 | YAY, PHYSICS! $400: Physics has been defined as "the science of matter, motion, and" this, the "E" in a 1905 equation energy |
| #6303, aired 2012-02-01 | "F" IN SCIENCE $1000: When dissolved in a solution of water & methanol, this gas with a strong odor is used to preserve biological samples formaldehyde |
| #6296, aired 2012-01-23 | SCIENCE-FICTION TV $1200: In this series the Robinsons were headed to a distant star on the Jupiter II until Dr. Smith got in the way Lost in Space |
| #6296, aired 2012-01-23 | SCIENCE-FICTION TV $2000: This show about a very old time lord from the planet Gallifrey debuted on the BBC in 1963 Doctor Who |
| #6276, aired 2011-12-26 | SCIENCE TERMS $800: Factor VIII is missing in the A type of this hereditary coagulation disorder hemophilia |
| #6273, aired 2011-12-21 | PHYSICAL SCIENCE $400: This force that attracts or repels other objects at a distance is caused by electric charges in motion magnetic |
| #6273, aired 2011-12-21 | PHYSICAL SCIENCE $800: In the 19th century a unit of conductance was named the "mho" in tribute to this man who studied current flow Ohm |
| #6273, aired 2011-12-21 | PHYSICAL SCIENCE $1600: In alpha decay a radioactive atom emits 2 protons, making it a new element as this figure drops by 2 atomic number |
| #6273, aired 2011-12-21 | PHYSICAL SCIENCE $2000: Despite the name, a substance gains electrons in this process, which puts the "red" in redox reduction |
| #6268, aired 2011-12-14 | "C" IN SCIENCE $800: (Jimmy of the Clue Crew swishes a quarter inside an inflated baloon.) The quarter inside the balloon continues in a circular motion, because the balloon is imposing this inward force, from the Latin for "seek the center" centripetal |
| #6268, aired 2011-12-14 | "C" IN SCIENCE $1600: This type of particle accelerator utilizes a spiraling path a cyclotron |
| #6268, aired 2011-12-14 | "C" IN SCIENCE $2,500 (Daily Double): Originally, this unit of measure was the amount of radioactivity given off by one gram of radium a curie |
| #6257, aired 2011-11-29 | SCIENCE $800: Lignin, a substance in wood, changes when exposed to oxygen; that makes white paper turn this color as it ages yellow |
| #6257, aired 2011-11-29 | SCIENCE $1600: Slow-motion video shows this bug evading a swat in 250 milliseconds; for 240 of those, it's repositioning itself to jump a fly |
| #6241, aired 2011-11-07 | SCIENCE "K"LASS $200: Almost exactly equal to the mass of 1,000 cubic centimeters of water, it's a base unit in the metric system a kilogram |
| #6238, aired 2011-11-02 | MEN OF SCIENCE $1600: In the 1700s this Italian discovered that electricity could make a dead frog's muscles contract Luigi Galvani |
| #6196, aired 2011-07-18 | WOMEN IN SCIENCE $400: In 1905 biologist Nettie Stevens showed that these 2 chromosomes determine a person's sex the X and Y chromosomes |
| #6196, aired 2011-07-18 | WOMEN IN SCIENCE $800: Ada Yonath won a Nobel Prize "for studies of" this organelle, site of protein synthesis, from which RNA gets its name a ribosome |
| #6179, aired 2011-06-23 | GENERAL SCIENCE $600: (Kelly of the Clue Crew drops a spoonful of something into some hot water, then shapes it in her hand.) The polymer here has a melting point of only 140 degrees Fahrenheit, so it can be shaped & molded by hand; it's this kind of material, from the Greek for "heat formed" thermoplastic |
| #6171, aired 2011-06-13 | THAT'S LIFE SCIENCE $400: Able to "sleep" in dried eggs for years, the ever-popular sea monkeys are actually a brine type of this shrimp |
| #6167, aired 2011-06-07 | SCIENCE $1600: (Jimmy of the Clue Crew displays a chemical formula on the monitor.) When acetic acid in vinegar reacts with CaCO3, this compound in the eggshell, bubbles of CO2 form in the vinegar & dissolve the shell, leaving just the membrane calcium carbonate |
| #6139, aired 2011-04-28 | SPORTS SCIENCE $400: (Sarah of the Clue Crew gives the clue from the Gatorade Sports Science Institute in Barrington, IL.) Strength training breaks down muscle fibers but the rebuilding process requires this, made of amino acids, it's a key part of Gatorade's recovery drinks for after your workout protein |
| #6139, aired 2011-04-28 | SPORTS SCIENCE $800: (Jimmy of the Clue Crew gives the clue from the Gatorade Sports Science Institute in Barrington, IL.) High performance liquid chromatography can be used to separate sucrose into its monosaccharide components of fructose & this sugar that's a primary fuel for muscle cells glucose |
| #6139, aired 2011-04-28 | SPORTS SCIENCE $1200: (Sarah of the Clue Crew gives the clue from the Gatorade Sports Science Institute in Barrington, IL.) The concentration of these two expired gases determined by a metabolic chart tells athletes how many carbs as opposed to fat they're burning; burning a higher percentage of fat increases endurance oxygen & carbon dioxide |
| #6139, aired 2011-04-28 | SPORTS SCIENCE $1600: (Sarah of the clue crew gives the clue from the Gatorade Sports Science Institute in Barrington, IL.) The resistance changes along with the terrain on the screen as cyclists use this type of electronic device that evaluates their performance, literally a "work measure" an ergometer |
| #6138, aired 2011-04-27 | THE DOG WHISPERER $800: (Cesar Millan stands by a small group of dogs.) With a little bit of help from me, the pack rehabilitates unstable dogs by showing them by example how to be calm & this, the opposite of dominant or assertive in behavioral science submissive |
| #6138, aired 2011-04-27 | PHYSICAL SCIENCE $2000: (Kelly of the Clue Crew stands by a display of the sun.) Nuclear fusion in the Sun's core produces energy that eventually flows to the photosphere--first, by radiation & then by heat currents using this process, also used in a type of oven convection |
| #6103, aired 2011-03-09 | SCIENCE TERMS $1200: (Sarah of the Clue Crew performs a science demonstration.) You'd expect the paper to fly up when extreme pressure is applied, but instead... the wood breaks; air couldn't flow in quickly enough between the paper, the wood & the table, so a partial this 6-letter term was formed a vacuum |
| #6103, aired 2011-03-09 | SCIENCE TERMS $1600: The Schottky effect is a type of increase in the discharge of these subatomic particles from a heated surface electrons |
| #6093, aired 2011-02-23 | BIOLOGY GLOSSARY $800: (Sarah of the Clue Crew shows us some photos in the science lab.) After a butterfly goes through four life stages, from egg to larva to pupa, & finally, to adult, it's said to have undergone complete this, Greek for "transformation" metamorphosis |
| #6077, aired 2011-02-01 | SCIENCE $400: In November 2009 science news, a NASA probe found water here, & not a little bit, either the Moon |
| #6077, aired 2011-02-01 | SCIENCE $2000: It's the largest number in the Fibonacci sequence that's also a day in a month 21 |
| #6068, aired 2011-01-19 | BASIC SCIENCE $1000: (Kelly of the Clue Crew rolls two ping-pong balls on the table.) The tack in a ping-pong ball shifts this 3-word directional term from the middle to the side, affecting its roll the center of gravity |
| #6052, aired 2010-12-28 | WHAT'S THE "PLAN"? $400: The Adler in Chicago is one of these buildings for space science education a planetarium |
| #6025, aired 2010-11-19 | REAL MEN OF SCIENCE $1200: Galileo used a supernova in 1604 to disprove this ancient Greek's theory that the universe never changes Aristotle |
| #6023, aired 2010-11-17 | PLANT SCIENCE $1200: (Sarah of the Clue Crew presents the clue on a monitor.) Spruce needles are green all around, & in cross section you can see they're square; flatter needles with two light, lengthwise strips on the underside are from this 3-letter tree fir |
| #6011, aired 2010-11-01 | MAKES SENSE $200: Things that fell from the skies in Aristotelian times were known as these, from which a science later took its name meteors |
| #6004, aired 2010-10-21 | SCIENCE $800: (Sarah of the Clue Crew demonstrates.) An egg sinks in tap water, but in saltwater, the egg gains this, defined as the upward force of a liquid on an object less dense than itself buoyancy |
| #5999, aired 2010-10-14 | GENERAL SCIENCE $400: In this type of simple machine, a version of the inclined plane, rotational force is translated into linear force a screw |
| #5989, aired 2010-09-30 | BORN & DIED: SCIENCE EDITION $1200: Jolted to life in Como, Italy Feb. 18, 1745, generated a lot of static, his electricity went out March 5, 1827 Volta |
| #5984, aired 2010-09-23 | 2-WORD SCIENCE TERMS $200: The "SS" in ISS: Skylab & Russia's Salyut were early ones a space station |
| #5984, aired 2010-09-23 | 2-WORD SCIENCE TERMS $400: (Sarah of the Clue Crew shows parallel lines on the monitor.) These two lines are identical in length, but when opposing arrowheads are added, the bottom line appears to be longer in a classic example of this type of eye trick an optical illusion |
| #5981, aired 2010-09-20 | "A" SCIENCE CATEGORY $800: It's what the "A" stands for in AIDS acquired |
| #5981, aired 2010-09-20 | "A" SCIENCE CATEGORY $1600: In the 1920s Edwin Hubble determined that this galaxy was in fact a separate galaxy from the Milky Way Andromeda |
| #5981, aired 2010-09-20 | "A" SCIENCE CATEGORY $12,000 (Daily Double): These are just small masses of lymphoid tissue in the nasopharynx adenoids |
| #5980, aired 2010-09-17 | SCIENCE FICTION FILMS $1600: Alan Young, who co-starred in the 1960 version of this film based on an H.G. Wells book, had a bit role in the 2002 remake The Time Machine |
| #5980, aired 2010-09-17 | SCIENCE FICTION FILMS $2000: Lock Martin, a 7'7" doorman at Grauman's Chinese Theater, was cast as the robot Gort in this 1951 sci-fi film The Day The Earth Stood Still |
| #5967, aired 2010-07-20 | FROM THE GREEK $1600: (Alex reports from a Ford Motor Company plant in Dearborn, MI.) To make jobs easier & safer, trucks on the assembly line are raised or lowered on these accordion lifts, which are called skillets; it's an example of this science of practical human engineering; it comes from the Greek word which means "work" ergonomics |
| #5964, aired 2010-07-15 | SCIENCE & NATURE $1200: The Bessemer process, developed in the 1850s, was a cheap way to convert pig iron to this steel |
| #5938, aired 2010-06-09 | WHAT'S "BLACK" & "WHITE"? $800: Thanks to a group of science students, in 2006 this largest mammal of Alabama became the state's official mammal the black bear |
| #5932, aired 2010-06-01 | FOOD SCIENCE $1,200 (Daily Double): From the French for "sour wine", this liquid will go bad over time, so it should be stored in a cool, dark place vinegar |
| #5928, aired 2010-05-26 | ECO SUAVE $400: (Sarah of the Clue Crew performs a science demonstration.) Hydrophobic sand doesn't absorb water because it's been treated with a compound of this element, Si; the sand does cling to oil, however, making it useful in cleaning up oil spills silicon |
| #5915, aired 2010-05-07 | SCIENCE $1200: In parts of the Caribbean, these are on a diurnal cycle: one high, one low a day, that's it tides |
| #5896, aired 2010-04-12 | SCIENCE CENTER $1600: In "Journey to the Center of the Earth", this "great fish lizard" kills a Plesiosaurus in savage combat Ichthyosaurus |
| #5895, aired 2010-04-09 | "C" IN SCIENCE $800: It's another name for a canine tooth a cuspid |
| #5895, aired 2010-04-09 | "C" IN SCIENCE $1200: (Jimmy of the Clue Crew performs a physics demonstration.) When I swing a bucket of water, it doesn't spill because of this force that pulls it in the center & keeps it from following its path of inertia centripetal force |
| #5895, aired 2010-04-09 | "C" IN SCIENCE $4,000 (Daily Double): (Sarah of the Clue Crew does a demonstration with some falling water.) The two streams of water form one, because water molecules are so attracted to each other that when they come near, they stick together, a uniting action known as this cohesion |
| #5894, aired 2010-04-08 | WE GOT THE "BEA" $2000: Glass vessel used in science experiments a beaker |
| #5893, aired 2010-04-07 | 2-WORD SCIENCE RESPONSES $600: Abbreviated MN, it's what a working compass needle is always pointing to in our hemisphere magnetic north |
| #5889, aired 2010-04-01 | CHAMPAGNE $400: A book on the science of champagne says lipstick can ruin the fun: fats in it make these stretch & break the bubbles |
| #5881, aired 2010-03-22 | EARTH SCIENCE $400: (Kelly of the Clue Crew stands in front of a map of Wyoming and Montana.) The caldera of a supervolcano that last erupted 640,000 years ago covers much of the 2.2 million acres of this national park Yellowstone National Park |
| #5881, aired 2010-03-22 | EARTH SCIENCE $1200: (Jimmy of the Clue Crew shows an atomic diagram on the monitor.) Used to date artifacts because it has a half-life of 5,730 years, this isotope has 6 protons & 8 neutrons in its nucleus carbon-14 |
| #5871, aired 2010-03-08 | 19th CENTURY SCIENCE $1000: The first skeletons of this early human were discovered in a French cave in 1868 Cro-Magnon |
| #5868, aired 2010-03-03 | "E" IN SCIENCE $400: Term for a substance that can't be broken down into simpler substances by chemical means element |
| #5857, aired 2010-02-16 | MEN OF SCIENCE $1600: The flask that this British scientist invented in the 1890s was a predecessor of the Thermos James Dewar |
| #5857, aired 2010-02-16 | MEN OF SCIENCE $2000: The first mention of this scientist's theoretical cat was in 1935's "The Present Situation in Quantum Physics" Schrödinger |
| #5853, aired 2010-02-10 | WEIRD SCIENCE $200: (Sarah of the Clue Crew shows an animated diagram on the monitor.) The reason why astronauts are taller in space is due to a lessening of this force; the vertebrae separate slightly, allowing for a height increase of 2 inches or more gravity |
| #5851, aired 2010-02-08 | GENERAL SCIENCE $400: In 1869 this Austrian monk published a paper on hawkweed: the experiments didn't work as well as the ones with peas Mendel |
| #5834, aired 2010-01-14 | SCIENCE GUYS $1,600 (Daily Double): Born a slave in Missouri, this scientist received a B.S. in Agriculture from Iowa State in 1894 George Washington Carver |
| #5834, aired 2010-01-14 | SCIENCE GUYS $1600: In 1943 he chose Los Alamos as the site for the Manhattan project lab; he'd gone to a boarding school nearby Oppenheimer |
| #5830, aired 2010-01-08 | A BEAUTIFUL MIND $2000: (Kelly of the Clue Crew shows an animation on the monitor.) Communication satellites orbit in a belt 22,300 miles above the Earth; the belt is named for this science fiction writer who proposed geostationary orbits in 1945 Arthur C. Clarke |
| #5829, aired 2010-01-07 | "RED" SCIENCE $2000: Due to the Doppler effect, it's an increase in the wavelength of radiation emitted by a moving celestial body redshift |
| #5823, aired 2009-12-30 | SCIENCE IS A BREEZE $600: Along with pressure & elevation, breezes are mainly caused by differences in this between adjacent areas temperature |
| #5797, aired 2009-11-24 | SCIENCE & NATURE $1000: In 2009 a new hominid skeleton dubbed Ardi was aged at 4.4 million years, predating this other "girly" find by 1 mil. years Lucy |
| #5777, aired 2009-10-27 | PHYSICAL SCIENCE $1000: (Jimmy of the Clue Crew shows an animation on the monitor.) Molecules continually bombard a particle suspended in liquid, causing this random motion of the particle named for an English scientist the Brownian movement |
| #5763, aired 2009-10-07 | SCIENCE TERMS $400: Heavier objects have more this, the tendency of an object to resist a change in its state of motion inertia |
| #5757, aired 2009-09-29 | "A" IN SCIENCE $400: Glycine is the simplest one of these, the essential building blocks of all proteins amino acid |
| #5757, aired 2009-09-29 | "A" IN SCIENCE $800: (Jimmy of the Clue Crew shows an animation on the monitor.) Charged particles from the Sun that become trapped in the Earth's magnetic field & interact with gases in the upper atmosphere cause this phenomenon aurora borealis |
| #5757, aired 2009-09-29 | "A" IN SCIENCE $1600: The production of antibodies is stimulated by the presence of these, like viruses, toxins & bacteria antigen |
| #5757, aired 2009-09-29 | "A" IN SCIENCE $2000: Sediments laid down by streams during flooding form this type of plain alluvial plain |
| #5757, aired 2009-09-29 | "A" IN SCIENCE $5,000 (Daily Double): Metabolic imbalances can cause this, an electrical disturbance that alters the heartbeat arrhythmia |
| #5736, aired 2009-07-13 | SCIENCE $800: In a month, this object ranges from about 225,000 miles to 252,000 miles from the Earth the Moon |
| #5712, aired 2009-06-09 | SCIENCE GLOSSARY $3,000 (Daily Double): The quality of richness of variety of life forms, both plant & animal, in a given environment biodiversity |
| #5710, aired 2009-06-05 | WOMEN IN SCIENCE $1200: This marine biologist's 1951 book "The Sea Around Us" spent 86 weeks on the New York Times bestseller list Rachel Carson |
| #5705, aired 2009-05-29 | SCIENCE $200: He was in Shanghai in 1921 when he found out he had won a Nobel Prize for Physics Einstein |
| #5705, aired 2009-05-29 | SCIENCE $600: In 1996 (seems late) researchers announced a new one of these body parts, the spheno-mandibularis a muscle |
| #5692, aired 2009-05-12 | FUN WITH SCIENCE $800: Add 4 tbsp, vinegar & 3 tbsp. baking soda to a glass of water & this gas will make raisins bounce in it carbon dioxide |
| #5692, aired 2009-05-12 | FUN WITH SCIENCE $1000: (Jimmy of the Clue Crew shows a little veggie before & after.) Put celery in red-colored water, & after 24 hours, the leaves turn red because of this process by which plants absorb fluids, from the Greek for "push" or "thrust" osmosis |
| #5665, aired 2009-04-03 | JOURNALISTS $1200: Jill Carroll, a journalist for this paper founded by a religion, was kidnapped but released in Iraq The Christian Science Monitor |
| #5659, aired 2009-03-26 | SCIENCE HISTORY $200: In 1797 Smithson Tennant showed that charcoal has the same composition as this gem a diamond |
| #5651, aired 2009-03-16 | POLYSYLLABIC VOCABULARY $2000: (Kelly of the Clue Crew performs a science experiment with a purple Magic Marker.) Draw on chalk & put it in water to see the component layers of marker color; it's a demonstration of this range of lab techniques that separate & analyze, from the Greek for "color" & "writing" chromatography |
| #5638, aired 2009-02-25 | SCIENCE $800: Termed "The Last Sorcerer" in a recent biography, in 1705 he became the first scientist to be knighted for his work Isaac Newton |
| #5626, aired 2009-02-09 | SCIENCE A TO Z $2000: It's an opening in a bone; the spinal cord enters the spinal column through the magnum one the foramen |
| #5616, aired 2009-01-26 | FICTION SCIENCE $200: 2-word literary term for when a character gets his just deserts in an especially appropriate way poetic justice |
| #5616, aired 2009-01-26 | FICTION SCIENCE $400: In 1989 Fleischmann & Pons claimed they'd found a "cold" way to start this process--nope cold fusion |
| #5616, aired 2009-01-26 | FICTION SCIENCE $1200: Korea's Woo-Suk Hwang faked a 2004 breakthrough in getting these mighty medical things from cloned embryos stem cells |
| #5616, aired 2009-01-26 | FICTION SCIENCE $1600: In 2001 Hendrik Schön claimed to have created a molecule-sized one of these semiconductors-- bad Hendrik! a transistor |
| #5611, aired 2009-01-19 | SCIENCE FICTION $200: In "The Time Ships", Stephen Baxter's sequel to this H.G. Wells novel, the hero travels to 802,701 A.D. to rescue Weena The Time Machine |
| #5591, aired 2008-12-22 | SCIENCE & NATURE $1600: In science a big M can mean mach, & a little m this, as in Einstein's most famous equation mass |
| #5591, aired 2008-12-22 | SCIENCE & NATURE $2,500 (Daily Double): (Sarah of the Clue Crew presents from the Stanford Accelerator Center.) Particle accelerators come in 2 types, circular, & this one here at Stanford, in which particles approach the speed of light, as they zip along a 2-mile track linear |
| #5587, aired 2008-12-16 | AMERICAN ARCHITECTS $800: (Kelly of the Clue Crew delivers the clue)
He did some early work on buildings as a student at the University of Wisconsin-Madison in the 1880s, assisting the construction supervisor of Science Hall Frank Lloyd Wright |
| #5566, aired 2008-11-17 | SCIENCE GLOSSARY $2000: The lowest temp. where vapor & oxygen form a combustible mixture is this point; bring in a flame & whoosh! the flash point |
| #5563, aired 2008-11-12 | SCIENCE $400: (Jon of the Clue Crew sucks on a straw in a sealed-up bottle that has a marshmallow inside.) The marshmallow in the bottle will expand when I suck on the straw because this property inside the bottle will decrease (air) pressure |
| #5563, aired 2008-11-12 | SCIENCE $800: (Jon of the Clue Crew pushes a straw into a cupcake, then extracts the result.) Using a cupcake & straw, we're approximating 1 of these 2-word scientific readings used in undersea & underground prospecting core sampling |
| #5556, aired 2008-11-03 | LIFE SCIENCE $800: In HIV these genetic changes that alter the organism happen so fast, a single AIDS drug is unworkable mutations |
| #5556, aired 2008-11-03 | LIFE SCIENCE $1200: In the Batesian type of this, aka imitation, an organism evolves to look like a more noxious one so it's left alone mimicry |
| #5540, aired 2008-10-10 | "GEN"ERAL SCIENCE $400: Pollen is a common--achoo!--example of one of these & there must--achoo!--be one in the studio an allergen |
| #5540, aired 2008-10-10 | "GEN"ERAL SCIENCE $1600: This type of headlight that uses a trace of bromine or iodine vapor is the standard in auto manufacture halogen |
| #5540, aired 2008-10-10 | "GEN"ERAL SCIENCE $2000: (Cheryl of the Clue Crew hangs with a robotic dinosaur from Walking with Dinosaurs.) The stegosaurus had a walnut-sized brain, so the enlarged area in the spinal cord was thought to be a second brain; it probably stored this polysaccharide, an energy reserve glycogen |
| #5531, aired 2008-09-29 | STUPID ANSWERS $400: This magazine has been a popular source of science & technology news since its inception in 1872 Popular Science |
| #5506, aired 2008-07-14 | POPULAR SCIENCE BEST OF 2007 $800: Some neurological disorders are being treated with elec. impulses in a procedure called DBS, or deep brain this stimulation |
| #5506, aired 2008-07-14 | POPULAR SCIENCE BEST OF 2007 $1000: No. 1 on the bottom-10 list of the worst jobs in science was this type of diver who swims in sewage & toxic waste a HAZMAT diver |
| #5502, aired 2008-07-08 | SCIENCE $600: (Cheryl of the Clue Crew performs a science experiment.) By mixing baking soda, a chemical base, with the acid in the lime juice, this gas is produced, resulting in a bubbly liquid carbon dioxide |
| #5500, aired 2008-07-04 | SCIENCE $400: A whole lot of shakin' goes on in this science that deals almost exclusively with earthquakes seismology |
| #5500, aired 2008-07-04 | SCIENCE $1,400 (Daily Double): Pauling found an "alpha" type of this spiral in proteins; Watson & Crick found a "double" one in DNA a helix |
| #5495, aired 2008-06-27 | SCIENCE & NATURE $400: (Jimmy of the Clue Crew lights a peanut on fire.) The oil in the peanut is almost 100 percent fat, which burns & produces energy, a process that's measured by this unit a calorie |
| #5495, aired 2008-06-27 | SCIENCE & NATURE $800: (Sarah of the Clue Crew puts salt & pepper in beakers of water.) The molecular structure of salt allows it to dissolve in water; the pepper will only disperse, creating this type of mixture, from the Latin for "hung up" a suspension |
| #5493, aired 2008-06-25 | "D" IN SCIENCE $800: This chemist discovered several elements, including magnesium, & also invented a miner's safety lamp Sir Humphry Davy |
| #5493, aired 2008-06-25 | "D" IN SCIENCE $1600: Named for a German mathematician, it's a process for eliminating or neutralizing a magnetic field degaussing |
| #5493, aired 2008-06-25 | "D" IN SCIENCE $2000: The atomic mass unit is also called this, after a 19th century British scientist the dalton |
| #5492, aired 2008-06-24 | "P" IN SCIENCE $1600: The antielectron predicted by Paul Dirac in 1928 was found by Carl Anderson in 1932 & named this a positron |
| #5492, aired 2008-06-24 | "P" IN SCIENCE $4,600 (Daily Double): (Sarah of the Clue Crew inserts a needle into a balloon.) The balloon doesn't break because it's made up of this type of substance, from the Greek for "many parts"; the needle merely separates the large molecules a polymer |
| #5484, aired 2008-06-12 | SPACE SCIENCE $400: (Jon of the Clue Crew peeks out of a spacecraft.) In the '60s, this machine was used to simulate the liftoff of the Apollo LM; "LM" being short for this lunar module |
| #5467, aired 2008-05-20 | GENERAL SCIENCE $800: A hydrate contains this compound weakly bound in its crystals water |
| #5455, aired 2008-05-02 | SCIENCE GUYS $200: Born in Germany in 1879, he fled to America in 1932 & became a U.S. citizen in 1940 Einstein |
| #5455, aired 2008-05-02 | SCIENCE GUYS $600: He published his quantum theory in 1900 while a professor of physics in Berlin (Max) Planck |
| #5453, aired 2008-04-30 | COLORFUL SCIENCE $2,400 (Daily Double): In violet, this distance is a short 3,800 to 4,500 angstroms wavelength |
| #5432, aired 2008-04-01 | SCIENCE STUFF $1200: (Jon of the Clue Crew reports from the lab, where he rolls a coin down an inclined plane.) Inside vending machines, magnets pick up steel slugs, but U.S. coins go right in, because they're minted from non-magnetic mixed metals, known as these alloys |
| #5432, aired 2008-04-01 | SCIENCE STUFF $1600: In this type of bomb, 2 atoms of deuterium collide to produce a helium atom & extra neutrons a hydrogen bomb (or a fusion bomb) |
| #5430, aired 2008-03-28 | SCIENCE $1000: (Jon of the Clue Crew holds a white rock at White Sands National Monument, New Mexico.) Because it's water-soluble, this form of calcium sulfate is rarely found in sand, but here in New Mexico's Tularosa Basin, there are no rivers to carry it away, so it forms the famed white sand gypsum |
| #5428, aired 2008-03-26 | SCIENCE STUFF $1600: (Jon of the Clue Crew compares the color of bananas.) A banana will ripen quicker in a bag, because the ethylene gas produced by the fruit cannot escape; ethylene gas is one of these growth regulators, Greek for "set in motion" a hormone |
| #5427, aired 2008-03-25 | "A" IN SCIENCE $400: This deficiency of hemoglobin is often accompanied by a reduced number of red blood cells anemia |
| #5427, aired 2008-03-25 | "A" IN SCIENCE $1200: (Jon of the Clue Crew reports from the lab, holding an inflated balloon.) If you put a flame up to a balloon it will pop, but if you put water inside the balloon & hold it over a flame it will not pop, because the water does this absorb (the heat) |
| #5427, aired 2008-03-25 | "A" IN SCIENCE $1600: The name of this one-celled protozoan comes from the Greek for "change" amoeba |
| #5427, aired 2008-03-25 | "A" IN SCIENCE $2000: This type of "shock" is usually a severe allergic reaction, as to a bee sting anaphylactic |
| #5427, aired 2008-03-25 | "A" IN SCIENCE $3,000 (Daily Double): This adjective means "having a pH factor of more than 7" alkaline |
| #5417, aired 2008-03-11 | "D" IN SCIENCE $1600: With a diameter averaging about 7 miles, it's the smaller of Mars' 2 moons Deimos |
| #5417, aired 2008-03-11 | "D" IN SCIENCE $2000: (Kelly of the Clue Crew adds drops to a beaker.) When you add food coloring to water, the motions of the dye's molecules causes it to disperse, eventually filling the glass evenly through a process called this diffusion (dilution accepted) |
| #5403, aired 2008-02-20 | THE SCIENCE LAB $1,400 (Daily Double): In 1935 the Russian government built him a new lab to continue his work on conditioned reflexes (Ivan) Pavlov |
| #5392, aired 2008-02-05 | SCIENCE GUYS $3,000 (Daily Double): In 1855 Napoleon III "swung" a deal arranging for his appointment as physicist at the Paris Observatory Jean Foucault |
| #5374, aired 2008-01-10 | SCIENCE $800: (Kelly of the Clue Crew reports from the Jeopardy! science lab.) Iodine reacts with this carbohydrate in food; if it's present, the iodine turns a bluish-black color starch |
| #5374, aired 2008-01-10 | SCIENCE $1600: (Kelly of the Clue Crew rubs a balloon on her hair in the Jeopardy! science lab.) Rubbing a balloon builds up electrons that then attract this type of particle in a metal can, from the Greek for "first" protons |
| #5351, aired 2007-12-10 | CIRCUS SCIENCE $400: (Sarah of the Clue Crew watches a wire walker practice at Circus Center in San Francisco, CA.) Moving the parasol in the air helps the wire walker keep the point known by this three-word term directly over the wire center of gravity |
| #5351, aired 2007-12-10 | "Y"? $400: Anderson Cooper graduated with a bachelor's degree in political science from this university in 1989 Yale |
| #5351, aired 2007-12-10 | CIRCUS SCIENCE $1200: (Jimmy of the Clue Crew watches a juggler pracice with clubs at Circus Center in San Francisco, CA.) It's time to throw the next club when the previous club reaches this point, also an astronomy term for the greatest distance from Earth apogee |
| #5349, aired 2007-12-06 | "A" IN SCIENCE $200: This term for a plant or animal with a marked deficiency of pigmentation comes from the Latin for "white" albino |
| #5349, aired 2007-12-06 | "A" IN SCIENCE $400: (Cheryl of the Clue Crew demonstrates.) After five minutes in lemon juice, the coin is shiny because the lemon's this works chemically to remove the oxide acid |
| #5349, aired 2007-12-06 | "A" IN SCIENCE $600: The formula for this hormone is C9H13NO3; can you feel it speeding up your heartbeat? adrenaline |
| #5349, aired 2007-12-06 | "A" IN SCIENCE $1000: This inert gas is atomic number 18; you should "naut" search any further argon |
| #5349, aired 2007-12-06 | "A" IN SCIENCE $2,000 (Daily Double): (Jon of the Clue Crew reports from the University of Mississippi.) Focused ultrasound waves are propelling the water here at Ole Miss's cutting-edge NCPA--National Center for Physical these Acoustics |
| #5344, aired 2007-11-29 | SCIENCE FACTION $1200: The "S" in UNESCO is for "scientific"; this is what the "E" is for & remember, it's an adjective, not a noun educational |
| #5344, aired 2007-11-29 | SCIENCE FACTION $2000: It's the first "A" in the IAEA, to which almost 150 nations belong Atomic |
| #5335, aired 2007-11-16 | IT AIN'T ROCKET SCIENCE $800: (Jon of the Clue Crew demonstrates with a chess board.) Usually done early in the game, it's the chess move seen here & can't be done if you've previously moved your king castling |
| #5320, aired 2007-10-26 | PHYSICAL SCIENCE $4,600 (Daily Double): (Kelly of the Clue Crew spins an egg on a platter.) Stop an egg while it's spinning, & it will start again, because the liquid inside is still moving, exhibiting this property, a resistance to change in motion inertia |
| #5312, aired 2007-10-16 | HODGEPODGE $800: (Jon of the Clue Crew zaps some styrofoam peanuts with liquid from a test tube in the Jeopardy! science lab.) You might think styrofoam peanuts are hard to get rid of, but they can be dissolved using this solvent, the same one found in nail polish remover acetone |
| #5306, aired 2007-10-08 | SCIENCE $800: A cubic inch of material contains a million billion billion of these, each with protons & neutrons in its nucleus atoms |
| #5280, aired 2007-07-20 | SCIENCE $800: In 2006, Israeli scientists claimed to have created the "ball" type of this stormy phenomenon using a microwave oven a lightning storm |
| #5280, aired 2007-07-20 | SCIENCE $2000: In 2007 Intel announced a new faster chip design replacing silicon with this element, symbol Hf hafnium |
| #5276, aired 2007-07-16 | FAMOUS WOMEN $3,000 (Daily Double): This first American woman in space heads a company geared to girls who are interested in science & math Sally Ride |
| #5274, aired 2007-07-12 | SCIENCE $400: In the nervous system, calcium ions crossing the gap between these cause a release of acetylcholine neurons |
| #5274, aired 2007-07-12 | SCIENCE $1000: (Jimmy of the Clue Crew shows a stair-stepped stack of books.) Though the top book appears to be suspended in air, more than half the weight of the stack rests on the table; the principle is used to build this type of bridge a cantilever bridge |
| #5251, aired 2007-06-11 | RADCLIFFE GRADS $800: A 1973 degree in political science was just the beginning for this first woman Prime Minister of Pakistan Benazir Bhutto |
| #5248, aired 2007-06-06 | BASIC SCIENCE $400: (Kelly of the Clue Crew plays with beakers.) In a force-&-movement experiment, the reason the water doesn't fall out of the cup is because this force pushing up against the card is greater than the weight of the water air pressure |
| #5248, aired 2007-06-06 | BASIC SCIENCE $800: In old science, it's a type of "generation" of life from nonliving matter; it's also a type of "combustion" spontaneous |
| #5234, aired 2007-05-17 | THE SCIENCE OF SOUND $1600: In concert hall acoustics, it's the opposite of reflection; the Sabin is a unit of it absorption |
| #5230, aired 2007-05-11 | "D" IN SCIENCE $400: A 1761 work by the great anatomist Morgagni has records of 640 of these procedures dissections |
| #5230, aired 2007-05-11 | "D" IN SCIENCE $1200: (Jimmy of the Clue Crew delivers the clue from a science lab.) The melting of ice doesn't raise the level of water because ice does this to a volume of water equivalent to its own volume when it melts to displace |
| #5230, aired 2007-05-11 | "D" IN SCIENCE $2000: (Sarah of the Clue Crew shows a micrograph of an organism with radial symmetry on the monitor.) A grungy type of earth used as industrial filler is named for these beautiful symmetrical algae from which it's made diatoms |
| #5226, aired 2007-05-07 | CUTTING-EDGE SCIENCE $1200: In 2006 a pulse of this type of beam sent a message a record 15 million miles to the MESSENGER spacecraft a laser beam |
| #5217, aired 2007-04-24 | THE NEW YORK TIMES SCIENCE TIMES $400: A November 2006 issue reported a higher risk of recurrent strep throat in kids who haven't had this operation a tonsillectomy |
| #5217, aired 2007-04-24 | THE NEW YORK TIMES SCIENCE TIMES $3,000 (Daily Double): Scholars can't read a 10-word column found in Guatemala but know it means these people had writing in 2300 B.C. the Mayans |
| #5213, aired 2007-04-18 | SCIENCE $400: The fishlike amphioxus has a structure called a notochord which in humans develops into this column the spinal column |
| #5201, aired 2007-04-02 | SCIENCE CLASS $400: In a human being, each cell has about 25,000 of these basic units of heredity genes |
| #5201, aired 2007-04-02 | SCIENCE CLASS $2000: (Kelly of the Clue Crew experiments with water and a paper clip.) Drop a paper clip into water, it sinks; drop it onto a paper towel, & because of the attraction of molecules of the same substance, called cohesion, this condition is created that seems to form a skin, allowing it to float surface tension |
| #5186, aired 2007-03-12 | SCIENCE $1000: (Kelly of the Clue Crew reading points to a fly's eye on the monitor.) An insect's compound eye can detect 300 flashes of light per second compared to a human's 50, using thousands of tiny lenses known as these, as in a diamond a facet |
| #5178, aired 2007-02-28 | SCIENCE $2000: (Kelly of the Clue Crew indicates a formula on a monitor.) In Newton's law, "F" is the attractive force, "G" is the gravitational constant, "m" is the masses of two bodies, & "d" stands for this distance |
| #5176, aired 2007-02-26 | LITERARY LONDON $600: (Kelly of the Clue Crew reports from the canal in Regent's Park, London.) In this pioneering science fiction novel about an attack on London the protagonist finds Regent's Canal a spongy mass of dark red vegetation War of the Worlds |
| #5170, aired 2007-02-16 | SCIENCE STUFF $800: (Jon of the Clue Crew delivers the clue from the Macy's Parade Warehouse in Hoboken, New Jersey.) The Macy's Parade balloons are inflated with a mix of air & this gas; they used to be released after the parade but that was stopped for safety reasons helium |
| #5160, aired 2007-02-02 | SCIENCE $1600: (Jimmy is in his Jeopardy! lab coat delivering the clue this time) You can take a simple nail, coil wire around it, connect it to a battery, and turn it into this attractive 13-letter item an electromagnet |
| #5145, aired 2007-01-12 | LIFE SCIENCE $800: In colenterates like jellyfish, the cavity called the coelenteron has an opening called this--don't get too complex a mouth |
| #5145, aired 2007-01-12 | LIFE SCIENCE $1200: In nat. selection, a ref froggus trebekus has .5 relative fitness if it produces 1/2 as many of these as a pink one offspring |
| #5145, aired 2007-01-12 | LIFE SCIENCE $2,000 (Daily Double): In a fish's 2-chambered heart, it's the chamber that receives blood from the veins atrium |
| #5122, aired 2006-12-12 | WORDS IN SCIENCE $400: The opposite of antibiotic, it's a term for healthful bacteria in yogurt probiotic |
| #5122, aired 2006-12-12 | WORDS IN SCIENCE $1200: Hydrogen molecules are formed by this type of bond in which 2 atoms share a pair of electrons covalent |
| #5122, aired 2006-12-12 | WORDS IN SCIENCE $1,300 (Daily Double): A common word for polymers; in physics, it means material that can be deformed & keep its new shape plastic |
| #5122, aired 2006-12-12 | WORDS IN SCIENCE $2000: (Jimmy of the Clue Crew reports from a science lab.) Because the structure of oil doesn't allow certain bonds, it's called this type of molecule, from words meaning "fear of water" hydrophobic |
| #5104, aired 2006-11-16 | SCIENCE $3,000 (Daily Double): Also known as epinephrine, this hormone is secreted in response to stress, like fear or injury adrenaline |
| #5086, aired 2006-10-23 | COMPOUNDS IN ACTION $200: (Cheryl of the Clue Crew reports from inside a science lab.) When hydrogen sulfide in the air reacts with silver, it creates a coating called silver sulfide, better known by this one word tarnish |
| #5086, aired 2006-10-23 | COMPOUNDS IN ACTION $600: (Sarah of the Clue Crew reports from inside a science lab.) To make cake batter rise, you need to create a chemical reaction by combining an acid like buttermilk with this alkaline compound--NaHCO3 baking soda |
| #5081, aired 2006-10-16 | SCIENCE GUYS $400: At a 1944 auction a copy of his paper on the special theory of relativity brought a $6.5-mil. pledge in war bonds Einstein |
| #5081, aired 2006-10-16 | SCIENCE GUYS $800: In the 1930s Charles A. Lindbergh helped secure financial backing for this man's rocket experiments Goddard |
| #5067, aired 2006-09-26 | THE HISTORY OF SCIENCE $1200: In 1990 IBM scientists created the first structure made by moving individual ones of these on a surface atoms |
| #5067, aired 2006-09-26 | THE HISTORY OF SCIENCE $1600: In the 1780s Gaspard Monge was the first to do this to a substance that's normally a gas, sulfur dioxide liquefy it |
| #5065, aired 2006-09-22 | AN "A" IN SCIENCE $400: This branch of science deals with forces exerted by air on both flying & wind-blown bodies aerodynamics |
| #5065, aired 2006-09-22 | AN "A" IN SCIENCE $1200: Aneurysms can happen in the Circle of Willis, a network of these at the base of the brain arteries |
| #5065, aired 2006-09-22 | AN "A" IN SCIENCE $1600: In zoology this adjective means "hermaphroditic" androgynous |
| #5065, aired 2006-09-22 | AN "A" IN SCIENCE $2000: The name of these air cells in the lungs comes from the Latin for "cavity" alveoli |
| #5065, aired 2006-09-22 | AN "A" IN SCIENCE $4,000 (Daily Double): The name of this class of vertebrates comes from a word meaning "living a double life" amphibians |
| #5058, aired 2006-09-13 | "BIO" SCIENCE $1200: (Jon of the Clue Crew sits by a machine that's playing with a shoe at the Nike Campus in Oregon.) The three main areas studied at the Nike Sport Research Lab are physiology, sensory perception & this, defined as the way forces act on the body biomechanics |
| #5052, aired 2006-07-25 | SCIENCE AT THE EXPLORATORIUM $400: (Jon of the Clue Crew reports from the Exploratorium, San Francisco, CA.) The Exploratorium simulates these features seen in Yellowstone; the eruption comes when the water at the bottom is vaporized a geyser |
| #5052, aired 2006-07-25 | SCIENCE AT THE EXPLORATORIUM $1600: (Jon of the Clue Crew reports from the Exploratorium, San Francisco, CA.) Mirrors are a good way to demonstrate this visual effect, correspondence in size & shape symmetry |
| #5051, aired 2006-07-24 | "D" IN SCIENCE $800: A direct current generator, or a person with lots of energy a dynamo |
| #5044, aired 2006-07-13 | "F"RIENDS OF SCIENCE $400: Before sending this ape expert to Africa in 1966, Louis Leakey asked her to get a pre-emptive appendectomy (Dian) Fossey |
| #5044, aired 2006-07-13 | "F"RIENDS OF SCIENCE $2,000 (Daily Double): Born in Danzig in 1686, he improved on a Galileo invention by using mercury instead of a gas Fahrenheit |
| #5041, aired 2006-07-10 | LIFE SCIENCE $2000: (Jon of the Clue Crew cuts a dashing figure in his lab coat.) The reaction that makes human skin tan & the reaction that turns a cut fruit brown are catalyzed by the same one of these, called tyrosinase an enzyme |
| #5040, aired 2006-07-07 | DOCTOR WHOM? $600: This 20th century president was the first to hold a doctorate; his degree was in political science Wilson |
| #5034, aired 2006-06-29 | THE SCIENCE BLUES $1200: See a lot of hot young stars--not at the Oscars but in the blue type of one of these, seen by the Hubble telescope a blue galaxy |
| #5015, aired 2006-06-02 | MEASURING DEVICES $1200: (Jon of the Clue Crew pours a solution into a cylinder in the Jeopardy! science lab.) Marked with intervals for measuring volume, these devices are called this academic type of cylinder a graduated cylinder |
| #5013, aired 2006-05-31 | PHYSICAL SCIENCE $400: (Kelly and Jon of the Clue Crew play with water in a laboratory; Kelly reads.) Run a comb through your hair & hold it here--the water is drawn to the comb because of this accumulation of electrical charge static electricity |
| #5013, aired 2006-05-31 | PHYSICAL SCIENCE $1600: In 1911 a physicist first observed superconductivity when he found no resistance in this slippery element at 4.2 kelvin mercury |
| #5013, aired 2006-05-31 | PHYSICAL SCIENCE $2000: (Sarah of the Clue Crew swirls water in a bottle.) I'm creating a small version of this, a mass of fluid in a swirling motion; whirlpools, tornadoes & sunspots are bigger versions a vortex |
| #5006, aired 2006-05-22 | SCIENCE GLOSSARY $2000: Mr. Beatty knows that this is the apparent displacement of an object caused by an altered observation point parallax |
| #4997, aired 2006-05-09 | THE NEW YORK TIMES SCIENCE TIMES $400: A researcher has shown that this feared Amazon fish may gather in packs for safety, not to hunt a piranha |
| #4991, aired 2006-05-01 | ACADEMIA NUTS $600: In 1991 this Democratic ex-presidential candidate became a professor of political science at Northeastern (Michael) Dukakis |
| #4990, aired 2006-04-28 | I'LL HAVE A B_L_T $400: A specialist in the science of life; on "Seinfeld", George claimed to be a marine one biologist |
| #4988, aired 2006-04-26 | SCIENCE CLASS $1200: (Kelly of the Clue Crew drops a raisin into a glass and watches it bob back up.) A raisin in soda sinks because it's denser, & it rises because CO2 pockets make it more this, from the Spanish for "float" buoyant |
| #4988, aired 2006-04-26 | SCIENCE CLASS $1600: A litmus test can help you set things on this scale devised by S.P.L. Sorensen a pH scale |
| #4984, aired 2006-04-20 | "A" IN SCIENCE $400: The 8 essential types of these acids cannot be produced by the human body & must be obtained from food amino acids |
| #4984, aired 2006-04-20 | "A" IN SCIENCE $800: Revive yourself & give the name of this compound of nitrogen & hydrogen that has been used for refrigeration ammonia |
| #4984, aired 2006-04-20 | "A" IN SCIENCE $1200: (Jon of the Clue Crew reports from Duke University in Durham, NC.) Vaulters can use hollow poles to save weight because this center line of a bent pole is neutral, taking little or no stress the axis |
| #4984, aired 2006-04-20 | "A" IN SCIENCE $1600: Either dominant or recessive, they can be different forms of the same gene alleles |
| #4984, aired 2006-04-20 | "A" IN SCIENCE $2000: Probably the most common & best known carnivore of the late Jurassic period, it had a 3-foot-long skull Allosaurus |
| #4974, aired 2006-04-06 | IN THE DICTIONARY $2000: (Jon of the Clue Crew measures what looks to be a small pipe or shell in the Jeopardy! science lab.) These 2 words, 1 derived from the other, refer to the instrument I'm using & the measurement I'm taking calipers & caliber (calipers & calibration accepted) |
| #4956, aired 2006-03-13 | SCIENCE $400: (Jon of the Clue Crew reports from Copenhagen, Denmark.) In 1883, Carlsberg developed Saccharomyces carlsbergensis, a special strain of this to ferment the sugars in beer yeast |
| #4956, aired 2006-03-13 | SCIENCE $1,000 (Daily Double): In testing out gases by smelling them (not a good idea) Humphry Davy found in 1800 that this one made him feel giddy nitrous oxide (or laughing gas) |
| #4931, aired 2006-02-06 | SCIENCE $800: The largest tree, the General Sherman in California, is this type, also called a Sierra Redwood a sequoia |
| #4931, aired 2006-02-06 | SCIENCE $2000: (A honey-colored retriever named Max tries to lick Cheryl of the Clue Crew as she pets him at NC State University in Raleigh, NC.) Veterinarians refer to this area of an animal's body as the posterior or this region, from the Latin for "the tail" the caudal region |
| #4929, aired 2006-02-02 | SCIENCE FICTION $1000: He won 6 Hugo Awards for his fiction, including "Starship Troopers" & "Stranger in a Strange Land" Robert Heinlein |
| #4920, aired 2006-01-20 | DUKE UNIVERSITY $600: Got ESP? Then you know in the '20s J.B. Rhine began his famous studies at Duke in this science that researches ESP parapsychology (paranormal psychology accepted) |
| #4915, aired 2006-01-13 | AN "A" IN SCIENCE $400: This nearly transparent 3-syllable envelope of gases surrounding the Earth is about 78% nitrogen the atmosphere |
| #4915, aired 2006-01-13 | AN "A" IN SCIENCE $800: This appendage of a neuron transmits impulses away from the cell body an axon |
| #4915, aired 2006-01-13 | AN "A" IN SCIENCE $1,000 (Daily Double): This marine snail has a genus name, it's H-A-L-I-O-T-I-S abalone |
| #4915, aired 2006-01-13 | AN "A" IN SCIENCE $1600: It's the fancy way of saying the white of an egg albumen |
| #4915, aired 2006-01-13 | AN "A" IN SCIENCE $2000: (Jimmy of the Clue Crew illustrates on a chalkboard.) North on the horizon connects to an imaginary circle that passes through a star via this arc azimuth |
| #4906, aired 2006-01-02 | SCIENCE $400: An enzyme in saliva called ptyalin converts these into maltose, a sugar carbohydrates (or starches) |
| #4904, aired 2005-12-29 | MATH & SCIENCE $400: His experiments in the mid-1660s showed that the colors produced by a prism were due to different refraction rates Newton |
| #4904, aired 2005-12-29 | MATH & SCIENCE $1600: (Jon of the Clue Crew shows a % sign on a video monitor as it changes to have one more 0 in the denominator.) You know percent, but how about this similar term that indicates parts in 1,000 per mil |
| #4904, aired 2005-12-29 | MATH & SCIENCE $2000: The name of this force that can compel an object to move in a circular path is from the Latin for "seek the center" centripetal force |
| #4892, aired 2005-12-13 | SCIENCE CLASS $1000: What we call a Thermos goes back to the flask this scientist invented in the 1890s Dewar |
| #4868, aired 2005-11-09 | ROCKET SCIENCE $1600: (Jon of the Clue Crew releases a balloon.) Thrust comes from the sudden inequality of this, sometimes measured in atmospheres, inside & outside a rocket pressure |
| #4860, aired 2005-10-28 | SCIENCE LAB $200: In 1985 a British Antarctic science expedition first detected one of these that forms annually in the ozone layer a hole |
| #4860, aired 2005-10-28 | SCIENCE LAB $600: (Kelly of the Clue Crew juices a lemon in the chemistry lab.) This acid--C6H8O7--is found in the juice I'm extracting citric acid |
| #4860, aired 2005-10-28 | SCIENCE LAB $800: In 1969 Marcian Hoff Jr. condensed all of a computer's arithmetic functions to this one tiny chip a microprocessor chip |
| #4846, aired 2005-10-10 | "B" IN SCIENCE $400: This treelike grass with a woody stem is the favored food of pandas bamboo |
| #4846, aired 2005-10-10 | "B" IN SCIENCE $1,000 (Daily Double): It's the theory that the universe was created in a cosmic explosion the big bang theory |
| #4824, aired 2005-07-21 | "EQ" TEST $1,400 (Daily Double): (Sarah of the Clue Crew delivers a corker from the top secret Jeopardy! science lab.) A bottle under pressure is in this state--opening it breaks that state, & the CO2 forms bubbles equilibrium |
| #4812, aired 2005-07-05 | SCIENCE $400: A deuterium atom is a hydrogen atom that has this keeping its proton company in the nucleus a neutron |
| #4786, aired 2005-05-30 | MEN OF SCIENCE $200: In 1933 he joined the Institute for Advanced Study in Princeton, N.J.; he became a U.S. citizen in 1940 Albert Einstein |
| #4786, aired 2005-05-30 | MEN OF SCIENCE $400: In 1589 he became a professor of mathematics at the U. of Pisa; in 1592 he moved on the U. of Padua Galileo |
| #4773, aired 2005-05-11 | CNN 25: SCIENCE & TECHNOLOGY $1200: In 1991, 8 entered this replica of the Earth's ecosystem to test the feasibility of a self-contained space colony the Biosphere |
| #4765, aired 2005-04-29 | NASCAR SPONSORS $1000: Jeff Gordon finds "The miracles of science" & a sponsor with this chemical co. that began in 1802 as an explosives co. DuPont |
| #4761, aired 2005-04-25 | SCIENCE & NATURE $2000: The Crab Nebula in this Zodiac constallation is the remains of the supernova of 1054 A.D. Taurus |
| #4759, aired 2005-04-21 | IN THE DICTIONARY $1000: (Jimmy of the Clue Crew delivers the clue from a winery.) The science of growing grapes is viticulture; the science of making wine is known as this oenology |
| #4746, aired 2005-04-04 | HEALTH MATTERS $800: (Sarah of the Clue Crew holds up a piece of gross anatomy in the Body Worlds exhibit at the California Science Center.) The arteries sub-divide into a network of aterials in these organs that filter the waste from the blood kidneys |
| #4737, aired 2005-03-22 | 20th CENTURY SCIENCE $1600: In 1932 this inventor figured out a better way than using Iceland spar to polarize light Edwin Land |
| #4710, aired 2005-02-11 | 20th CENTURY SCIENCE TIDBITS $800: In the '70s Hans Dehmelt took a color photo of Astrid, a single charged ion of this element, Ba barium |
| #4701, aired 2005-01-31 | THE SCIENCE GEEK $400: As a student in Paris, this Polish-born woman lived on bread & tea but graduated first in her class in physics Marie Curie |
| #4698, aired 2005-01-26 | I'M GETTING SPACED OUT! $1200: It was big science news in 1998 when a fourth ring was discovered around this gigantic planet Jupiter |
| #4694, aired 2005-01-20 | SCIENCE GUYS $600: In 1929 this Berkeley physicist bought a cabin in New Mexico; he'd spend lots of time in the state in the early '40s (Robert) Oppenheimer |
| #4693, aired 2005-01-19 | "FORE" $2000: This word can apply to a debate team or a lab that uses science to establish facts or evidence in the law forensic |
| #4690, aired 2005-01-14 | THE SCIENCE CATEGORY $1200: This adjective describes organisms purposely grown in a petri dish, whether they like opera or not cultured |
| #4679, aired 2004-12-30 | 1-2 $200: You could be giving someone the ol' 1-2 with a left hook & an uppercut in this "sweet science" boxing |
| #4679, aired 2004-12-30 | MEN & WOMEN OF SCIENCE $200: In 1925 this American anthropologist first visited Samoa; she wrote a book about it 3 years later Margaret Mead |
| #4679, aired 2004-12-30 | MEN & WOMEN OF SCIENCE $400: In 1909, after 7 years with the Swiss Patent Office, he became a professor at the University of Zurich Albert Einstein |
| #4679, aired 2004-12-30 | MEN & WOMEN OF SCIENCE $600: In the 1870s this French chemist demonstrated that anthrax was caused by a particular bacillus Pasteur |
| #4661, aired 2004-12-06 | GENERAL SCIENCE $800: Lovelace wrote that they don't make a cage; in the 1820s, William Sturgeon made electromagnets out of them iron bars |
| #4661, aired 2004-12-06 | GENERAL SCIENCE $1200: Light that bounces off a flat surface is reflected; light bent in a transparent medium is this refracted |
| #4661, aired 2004-12-06 | GENERAL SCIENCE $1600: (Jimmy of the Clue Crew reads from inside the Cirque du Soleil with performers on the stage.) From the type of simple machine a teeter board is, it's the 8-letter term for what's throwing them up in the air leverage |
| #4640, aired 2004-11-06 | MATH & SCIENCE $400: John Wheeler named this singularity in the late 1960s; the Russians called it a collapsar a black hole |
| #4640, aired 2004-11-06 | MATH & SCIENCE $2000: (Cheryl of the Clue Crew demonstrates with a strip of paper from the top secret Jeopardy! labs.) The Mobius strip is used in this field, the study of properties that don't change when a shape bends or twists topology |
| #4630, aired 2004-10-22 | GENERAL SCIENCE $800: When hit by electrons, a phosphor gives off electromagnetic energy in this form light |
| #4628, aired 2004-10-20 | THE YOU-NIVERSE $800: (Jimmy of the Clue Crew reports from the top secret Jeopardy! Science Lab wearing his official Clue Crew lab coat.) Both men & women have this cartilage in the throat that has a biblical name the Adam's apple |
| #4615, aired 2004-10-01 | SCIENCE & TECHNOLOGY $200: Social insects, termites live in groups of a few hundred to several million called these colonies |
| #4612, aired 2004-09-28 | SCIENCE & NATURE $800: A seal's these, also called vibrissae, sense vibrations in the water that can represent food their whiskers |
| #4593, aired 2004-07-21 | POPULAR SCIENCE TOP STORIES OF 2003 $1000: This scientist, a model for Dr. Strangelove, passed away in September at age 95 Edward Teller |
| #4569, aired 2004-06-17 | SCIENCE POTPOURRI $1600: In aerodynamics it's the vertical force acting on a plane due to flow of air over its airfoils lift |
| #4567, aired 2004-06-15 | MIND YOUR SCIENCE "P"s & "Q"s $2000: Sadly, James Joyce died before these hypothetical particles were named for a word he used in "Finnegans Wake" a quark |
| #4551, aired 2004-05-24 | SCIENCE & NATURE $200: In 1997 the world said "Hello Dolly" to one of these mammals, the first successfully cloned a sheep |
| #4533, aired 2004-04-28 | EARTH SCIENCE $200: In a mining lode, the gangue is the junk & this is the mineral with the good stuff in it ore |
| #4530, aired 2004-04-23 | SCIENCE & TECHNOLOGY $400: On January 3, 2004 a spacecraft named Spirit successfully landed in Gusev Crater here to search for life Mars |
| #4530, aired 2004-04-23 | SCIENCE & TECHNOLOGY $800: In 1913 at a plant in Highland Park, Michigan, a car from his company became the first produced on an assembly line Henry Ford |
| #4527, aired 2004-04-20 | INSIDE SCIENCE $600: This sac in a bird's egg is there to provide nourishment to the embryo yolk |
| #4517, aired 2004-04-06 | 19th CENTURY SCIENCE $200: Julius von Sachs found that starch was a product of this process in green plants photosynthesis |
| #4517, aired 2004-04-06 | 19th CENTURY SCIENCE $600: Using a piece of Iceland spar, a French physicist polarized this in 1808 light |
| #4514, aired 2004-04-01 | THE PENDULUM $4,000 (Daily Double): Born in 1564, this Italian often used a pendulum in his studies of motion Galileo |
| #4501, aired 2004-03-15 | SCIENCE & TECHNOLOGY $400: In 1901 Eugene Demarcay discovered Eu, this rare-earth metal that's named for a continent Europium |
| #4498, aired 2004-03-10 | SIMPLE SCIENCE $200: A 1 on the Mercalli scale or below a 3 on the Richter scale is only measurable by these devices seismographs |
| #4498, aired 2004-03-10 | SIMPLE SCIENCE $400: When William Ramsay told of the discovery of this gas on Earth in 1895, we wonder if he used a squeaky voice helium |
| #4498, aired 2004-03-10 | SIMPLE SCIENCE $800: A hemoglobinometer measures the amount of hemoglobin in this the blood |
| #4482, aired 2004-02-17 | MEN OF SCIENCE $2000: In 1935 the Russian government built him a new lab to continue his work on conditioned reflexes (Ivan) Pavlov |
| #4478, aired 2004-02-11 | GENERAL SCIENCE $2000: In 1985 a new carbon molecule, shaped like a geodesic dome, was discovered & named for this designer Buckminster Fuller |
| #4469, aired 2004-01-29 | YOU BETTER KNOW SOME SCIENCE $1200: Called the most energetic form of electromagnetic radiation, it had a Bruce Banner year on film in 2003 gamma radiation |
| #4468, aired 2004-01-28 | SCIENCE GUYS $1600: He got through a pile of work between his birth in Rome in 1901 & his death in Chicago in 1954 Enrico Fermi |
| #4468, aired 2004-01-28 | SCIENCE GUYS $2000: In the 1940s Gerard Kuiper discovered Miranda, a moon of Uranus & Nereid, a moon of this planet Neptune |
| #4442, aired 2003-12-23 | BOOKS ABOUT SCIENCE $1200: This field with integral & differential parts is "Made Easy" in a 1910 book recently revised by Martin Gardner calculus |
| #4429, aired 2003-12-04 | AVIATION FIRSTS $600: In July 1908 this science journal awarded a trophy to Glenn Curtiss for the first U.S. public flight of one kilometer Scientific American |
| #4411, aired 2003-11-10 | SCIENCE & NATURE $200: Alphabetically, it's the first mammal that could be in a "STARTS WITH 2 VOWELS" category aardvark |
| #4399, aired 2003-10-23 | MARINE SCIENCE $800: This sea, a still area in the Atlantic, is a spawning ground for most of the American & European eels the Sargasso Sea |
| #4397, aired 2003-10-21 | SCIENCE PUNS $400: When a woman in labor yells out "Can't!", "Don't!" or "Won't!", she's having these contractions |
| #4397, aired 2003-10-21 | SCIENCE PUNS $800: Wyatt Earp gave these creatures the O.K. to build a reef in Tombstone's lake coral |
| #4397, aired 2003-10-21 | SCIENCE PUNS $1000: At lunch whales commit murder on a massive scale when they're "going in for" this the krill |
| #4396, aired 2003-10-20 | SCIENCE & NATURE $1200: In 1857 this French chemist's theory of fermentation was first presented in a paper "on Lactic Fermentation" Louis Pasteur |
| #4378, aired 2003-09-24 | SCIENCE & NATURE $800: The Chilean & Puna species of this large pink bird live in the Andes a flamingo |
| #4373, aired 2003-09-17 | LIFE ON THE TITANIC $800: (Jimmy of the Clue Crew presents from the California Science Center Titanic Artifact Exhibit.) In a third class cabin, the sound of the 29 of these was constant; when they stopped, it meant bad news boilers |
| #4372, aired 2003-09-16 | THE NEW YORK TIMES SCIENCE TIMES $1000: A Dutch mathematician figured out how one could fill in the holes seen here, in a work by this artist M.C. Escher |
| #4368, aired 2003-09-10 | "C" IN SCIENCE $1200: The one named for Max Planck is 6.6260755 X 10 (to the negative 34) joule-second, symbolized simply h constant |
| #4367, aired 2003-09-09 | SCIENCE & TECHNOLOGY $400: In 1885 one of these explosions, the brightest to appear for the next century, appeared in the Andromeda galaxy a supernova |
| #4367, aired 2003-09-09 | SCIENCE & TECHNOLOGY $1600: In 1919 this rocket pioneer published "A Method of Reaching Extreme Altitudes" (Robert) Goddard |
| #4367, aired 2003-09-09 | SCIENCE & TECHNOLOGY $2000: In 1885, 14 years after a more famous find, this German archaeologist excavated Tiryns in Greece Heinrich Schliemann |
| #4363, aired 2003-07-16 | "P"SCIENCE & MEDICINE $1,600 (Daily Double): In the 2nd century B.C., this Egyptian astronomer thought that stars were fixed points of light in a rotating sphere Ptolemy |
| #4343, aired 2003-06-18 | GREEK SCIENCE $1600: The auger drill of today has its roots in this Greek's "water snail", a screw that raised water Archimedes |
| #4334, aired 2003-06-05 | THE SCIENCE SECTION $200: The X-Men know it's a change in a DNA molecule of a cell that's passed on to an offspring cell mutation |
| #4334, aired 2003-06-05 | GIVE ME AN "H" $800: Dorothy Parker used this word, the science of growing fruits, flowers, etc., in a famous quip horticulture |
| #4334, aired 2003-06-05 | THE SCIENCE SECTION $800: Spanning about 35 degrees in the southern sky, the Gum Nebula is a large remnant of one of these explosions supernova |
| #4330, aired 2003-05-30 | SCIENCE OF THE TIMES $400: 1751:
Axel Cronstedt discovers this -- the element, in a mineral, not the coin in his pants pocket nickel |
| #4325, aired 2003-05-23 | SCIENCE LAB $1600: (Sarah of the Clue Crew demonstrates in the lab.) From the Latin for "sticky", it's the resistance of a fluid to flowing viscosity |
| #4324, aired 2003-05-22 | SCIENCE $400: In the early 1830s Michael Faraday found that a moving one of these can produce an electric current magnet |
| #4324, aired 2003-05-22 | SCIENCE $800: In 1953 Watson & Crick built a model of the molecular structure of this, the gene-carrying substance DNA |
| #4324, aired 2003-05-22 | SCIENCE $4,000 (Daily Double): Among the compounds called alkanes, the hexanes are C6H14--& these hydrocarbons are C8H18 octanes |
| #4306, aired 2003-04-28 | SCIENCE $800: Also a term for someone from Warsaw, it's one of the 2 strongest points in a magnetic field Pole |
| #4285, aired 2003-03-28 | SHE BLINDED ME WITH SCIENCE $1200: In 1963 Maria Goeppert Mayer received a Nobel Prize in Physics for her "shell model" of this part of an atom Nucleus |
| #4285, aired 2003-03-28 | SHE BLINDED ME WITH SCIENCE $1600: Dorothy Hodgkin's Nobel Prize in Chemistry was for her work on this vitamin, whose deficiency causes pernicious anemia Vitamin B12 |
| #4282, aired 2003-03-25 | PEOPLE $200: Don't call us with your research questions; call this U.S. first lady who has a master's degree in library science Laura Bush |
| #4281, aired 2003-03-24 | SCIENCE & NATURE $600: The lowest pressure at sea level was 25.69", measured during one of these tropical storms in the Philippine Sea typhoon |
| #4280, aired 2003-03-21 | COMPUTER SCIENCE $800: Also called a catalog, it's the hierarchical structure of files used in DOS & Unix a directory |
| #4257, aired 2003-02-18 | A MUSE ME $400: Look! Up in the sky! It's a bird! It's a plane! No, it's Urania, muse of this science! astronomy |
| #4254, aired 2003-02-13 | SCIENCE CLASS $1600: The frequency of a note is measured in this, abbreviated Hz hertz |
| #4251, aired 2003-02-10 | FRENCH CLASS: THE BODY $2000: Fall "behind" in French class & you'll miss this term for "the behind" derriere |
| #4240, aired 2003-01-24 | FRENCH AUTHORS $800: In 1887 this science fiction author wrote a novel about the U.S. Civil War, "North Against South" Jules Verne |
| #4239, aired 2003-01-23 | NAMES IN SCIENCE $400: This man whose name gave us the electrical current unit called an amp got a bad shock when his father was guillotined Andre-Marie Ampere |
| #4239, aired 2003-01-23 | NAMES IN SCIENCE $800: (Sofia of the Clue Crew at the Johnson Space Center in Houston) Astronauts trained in neutral buoyancy to prepare for a mission to service this object's 94-inch mirrors Hubble Space Telescope |
| #4239, aired 2003-01-23 | NAMES IN SCIENCE $1200: This last name of French thinker Blaise is on a theorem, a law & a triangle Pascal |
| #4239, aired 2003-01-23 | NAMES IN SCIENCE $4,000 (Daily Double): A brain disease is named for Hans Creutzfeldt & this man who also described it around 1920 Alfons Jakob |
| #4228, aired 2003-01-08 | SCIENCE $600: In a first-class type of this, the fulcrum is between the applied force and the load a lever |
| #4202, aired 2002-12-03 | SCIENCE CLASS $400: Emil Fischer must have been in a coffeehouse when he identified this stimulant as part of the purine group caffeine |
| #4191, aired 2002-11-18 | SWEET! $400: Columbus native Buster Douglas was a 1990s champion in this sport dubbed "The Sweet Science" boxing |
| #4185, aired 2002-11-08 | SCIENCE $400: In 1935 the daughter of this famed pair won a Nobel Prize for the discovery of artificial radioactivity Pierre & Marie Curie |
| #4185, aired 2002-11-08 | SCIENCE $1000: In the Arctic, some of these organisms consisting of an alga & a fungus may be 4,000 years old lichens |
| #4180, aired 2002-11-01 | GERMAN SCIENCE $600: Max Born taught this subject at the University of Gottingen & won a Nobel Prize in it physics |
| #4175, aired 2002-10-25 | NOT SO RECENT SCIENCE $400: In 1891 Brucia, the 323rd asteroid discovered, was unique as it was the first one found by using these photographs |
| #4175, aired 2002-10-25 | NOT SO RECENT SCIENCE $800: The discovery of this element in 1669 has led to a lot of friction--in matches phosphorus |
| #4175, aired 2002-10-25 | NOT SO RECENT SCIENCE $1,000 (Daily Double): In the 1780s William Herschel determined its axial inclination & found it had ice caps Mars |
| #4175, aired 2002-10-25 | NOT SO RECENT SCIENCE $1000: In 1879 after 1000s of failures Edison found a simple scorched cotton thread worked best as one of these lightbulb filament |
| #4161, aired 2002-10-07 | SCIENCE & TECHNOLOGY $400: In 1843 the Great Britain became the first oceangoing steamship with the screw type of this, not a paddlewheel propeller |
| #4161, aired 2002-10-07 | SCIENCE & TECHNOLOGY $1200: In 2000 news, an experiment appeared to accelerate a pulse of this to 300 times its already high speed light |
| #4161, aired 2002-10-07 | SCIENCE & TECHNOLOGY $1600: Common in California, it's the type of "farm" seen here wind farm (windmill) |
| #4160, aired 2002-10-04 | SCIENCE & NATURE $800: (Sofia of the Clue Crew reports from the Field Museum in Chicago.) Snail shells are in a pattern usually called this; they add new coils as the snail ages spiral |
| #4160, aired 2002-10-04 | SCIENCE & NATURE $1600: (Sarah of the Clue Crew reports from the Field Museum in Chicago.) This spider, named for a mammal, doesn't wait patiently for prey, but hunts it down a wolf spider |
| #4150, aired 2002-09-20 | SCIENCE PRIZES $1200: Solve equations like 3x(squared)-15=0 & you could be headed for a Frank Nelson Cole Prize in this branch of math algebra |
| #4144, aired 2002-09-12 | SCIENCE IN THE 1800s $1600: This German for whom a unit of frequency is named was the first man to send & receive radio waves Heinrich Hertz |
| #4137, aired 2002-09-03 | WHAT A CLICHE $600: (Cheryl of the Clue Crew demonstates science.) The electrical charge in the tube is seeking this path, so it's moving from the tube to my body the path of least resistance |
| #4122, aired 2002-07-02 | THEIR FIRST NOVELS $1200: Oui! Oui! in 1863 this science fiction pioneer published his first novel, "Five Weeks in a Balloon" Jules Verne |
| #4080, aired 2002-05-03 | "C" IN SCIENCE $400: It's Latin for "bark" (like on a tree); the cerebral type is the layer that covers your brain cortex |
| #4080, aired 2002-05-03 | "C" IN SCIENCE $800: This type of cable has insulated conducting material around a separately insulated conducting tube coaxial |
| #4080, aired 2002-05-03 | "C" IN SCIENCE $1600: (Jimmy of the Clue Crew finds some enormous turtles.) This word, derived from Spanish, refers to the upper part of a turtle's shell a carapace |
| #4077, aired 2002-04-30 | SCIENCE & TECHNOLOGY $2,000 (Daily Double): An empty Goodyear blimp weighs over 12,000 lbs.; when they fill it with this gas, it weighs only 100 to 200 pounds helium |
| #4073, aired 2002-04-24 | 17th CENTURY SCIENCE $800 (Daily Double): The machine Denis Papin built in 1690 was the first to use steam to move one of these in a cylinder a piston |
| #4073, aired 2002-04-24 | 17th CENTURY SCIENCE $1200: In 1656 Christiaan Huygens found time to invent a clock with this new regulator the pendulum |
| #4059, aired 2002-04-04 | 19th CENTURY SCIENCE & TECHNOLOGY $400: Using a gear-toothed wheel & a mirror, Armand Fizeau measured the speed of this in 1849 light |
| #4020, aired 2002-02-08 | POE-TRY $1200: In his youth, Poe wrote one of these 14-line poems "to science" a sonnet |
| #4016, aired 2002-02-04 | GOING TO COLLEGE $600: This microchip-making company gives a $100,000 college scholarship in its science talent search Intel |
| #4014, aired 2002-01-31 | SCIENCE FICTION $1600: Fiction was a feature of this slick science magazine that debuted in 1978 Omni |
| #4006, aired 2002-01-21 | SCIENCE CLASS $400: When the last of these animals died on Mauritius in 1681, it was as dead as--itself a dodo |
| #4000, aired 2002-01-11 | ROCKET SCIENCE $1000: In 1929 he launched the first rocket to carry instruments: a barometer, a thermometer & a camera (Robert) Goddard |
| #3959, aired 2001-11-15 | SCIENCE CLASS $200: (Sofia of the Clue Crew writes an equation on the blackboard: ΔE = q - w.) A system's change in energy equals heat added to the system minus work done by the system in the first law of this thermodynamics |
| #3959, aired 2001-11-15 | SCIENCE CLASS $400: (Jimmy of the Clue Crew shows an equation on the blackboard: sec A = 1/cos A.) In trigonometry,this function, abbreviated "sec", equals the reciprocal of the cosine secant |
| #3959, aired 2001-11-15 | SCIENCE CLASS $800: (Sarah of the Clue Crew underlines an equation on the chalkboard: C(n,r) = n!/r!(n - r)!) In probability theory, here's a common formula for these, often paired with permutations combinations |
| #3933, aired 2001-10-10 | SCIENCE $400: A magnetron is an electronic tube used to produce these waves found in some kitchens microwaves |
| #3933, aired 2001-10-10 | SCIENCE $600: (Sofia of the Clue Crew reports from the La Brea Tar Pits in Los Angeles.) The bubbling seen here is caused by this gas, a major part of Jupiter's atmosphere methane |
| #3933, aired 2001-10-10 | SCIENCE $800: (Sarah of the Clue Crew reports.) The spin of a frisbee keeps it stable in flight, illustrating angular this momentum |
| #3904, aired 2001-07-19 | INVENTORS & INVENTIONS $800: Nikola Tesla won a 1916 award for meritorious achievement in electrical science named for this former employer Thomas Edison |
| #3865, aired 2001-05-25 | SCIENCE & NATURE $300: Of the 6 simple machines in physics, this one uses a spiral inclined plane a screw |
| #3859, aired 2001-05-17 | POPULAR SCIENCE TOP STORIES OF 2000 $800: A 170-room palace found in the rain forest of this country is a trove of Mayan archaeology Guatemala |
| #3834, aired 2001-04-12 | SCIENCE & NATURE $800: Change 1 letter in "protest" to get this word for a protozoan & others in its kingdom Protist |
| #3833, aired 2001-04-11 | SCIENCE CLASS $1,000 (Daily Double): John Abel, who produced insulin in a crystalline form in 1926, felt a rush when he isolated this hormone in 1897 Adrenaline |
| #3828, aired 2001-04-04 | SCIENCE $1000: The element named for him wasn't one of the ones he left a gap for in the periodic table; it came in at 101 Dmitri Mendeleev |
| #3799, aired 2001-02-22 | THE NEW YORK TIMES SCIENCE TIMES $400: These hunting birds have made a comeback in New York City, where they feast on pigeons peregrine falcons |
| #3770, aired 2001-01-12 | NEW MEXICO $200: A letter from Einstein to FDR is on display at the Bradbury Science Museum in this city, birthplace of the atomic bomb Los Alamos |
| #3709, aired 2000-10-19 | SCIENCE & NATURE $300: A silvery food fish, or to heat ore in order to extract metal smelt |
| #3701, aired 2000-10-09 | 16th CENTURY SCIENCE $300: In 1569 this Flemish geographer developed a map of the world in which Greenland looks bigger than Africa Gerardus Mercator |
| #3698, aired 2000-10-04 | SCIENCE & NATURE $1,500 (Daily Double): By definition, a phototropic plant moves in response to this light |
| #3691, aired 2000-09-25 | TWAIN TRACTS $200: In articles & a book Twain questioned this Mary Baker Eddy church's tenet of divine healing Christian Science |
| #3681, aired 2000-09-11 | MEN OF SCIENCE $800 (Daily Double): To make his barometer, Evangelista Torricelli inverted a glass tube in a dish of this Mercury |
| #3673, aired 2000-07-19 | GENERAL SCIENCE $200: The time it takes for 50% of the atoms to decay in a radioactive substance is called this Half-life |
| #3669, aired 2000-07-13 | SCIENCE CLASS $1000: In this type of solar eclipse, the sun appears as a ring of light around the moon Annular eclipse |
| #3665, aired 2000-07-07 | LIFE SCIENCE $300: These disease-causers have a nucleic acid in a protein shell, but not even a single cell Viruses |
| #3631, aired 2000-05-22 | 17th CENTURY SCIENCE $1000: Wow! In 1660 Otto Von Guericke designed a sulfur globe that when rotated & rubbed produced this Static electricity |
| #3627, aired 2000-05-16 | PHYSICAL SCIENCE $200: A battery may have a single one of these electricity producing units or have several connected in series cells |
| #3602, aired 2000-04-11 | SCIENCE OF 1990 $1000: This mapping project begun in 1990 is less than 50% done, though a private firm, Celera, claims to have 90% finished Human Genome Project |
| #3601, aired 2000-04-10 | SCIENCE $800: Put this in your "notebook": Andromeda (M 31), like the Milky Way, is a galaxy of this shape Spiral |
| #3599, aired 2000-04-06 | NEWSPAPERS $400: This Boston-based newspaper was founded by a religious group in 1908 The Christian Science Monitor |
| #3597, aired 2000-04-04 | A "DOCTOR" IN THE HOUSE $200: D.D.S. doctor of dental science |
| #3580, aired 2000-03-10 | SCIENCE $100: In biology it's a finger; in math, a figure like 1 a digit |
| #3580, aired 2000-03-10 | SCIENCE $400: These in the skies of Albuquerque on October 3, 1999 were a fine example of Charles' Law in action hot air balloons |
| #3579, aired 2000-03-09 | SUDBURY, MY HOMETOWN $300: Science North, a science center in Sudbury, is one of the biggest tourist attractions in this province Ontario |
| #3574, aired 2000-03-02 | 1890s SCIENCE $100: While trying to create these precious stones in a lab, Edward Acheson came up with carborundum diamonds |
| #3564, aired 2000-02-17 | CLASSIC TEEN CINEMA $800: (Hi, I'm Wallace Langham) I played a weenie in this John Hughes film in which 2 kids create Kelly LeBrock Weird Science |
| #3552, aired 2000-02-01 | 20th CENTURY WORDS $400: The OED lists the first use of "robotic" in a 1941 tale by this author in Astounding Science Fiction Isaac Asimov |
| #3517, aired 1999-12-14 | SCIENCE & NATURE $1000: A magnetic field is measured in units called gauss or this after a real "coil" guy Nikola Tesla |
| #3463, aired 1999-09-29 | SCIENCE & NATURE $1000: In 1960 Theodore Maiman built the first of these devices using a ruby Laser |
| #3455, aired 1999-09-17 | SCIENCE & TECHNOLOGY $400: Just after 1500 Peter Henlein built the first spring-driven one of these that fit in a pocket Watch |
| #3444, aired 1999-07-22 | SCIENCE $200: In 70-degree air, a plane traveling at about 1,130 feet per second breaks it Sound barrier |
| #3395, aired 1999-05-14 | SCIENCE FAIR $400: Darlene's exhibit on minerals in the human body included iron nails, copper tubing & a 1943 penny for this Zinc |
| #3390, aired 1999-05-07 | THE SCIENCE OF COLOR $1000: In violet, this distance is a short 3,800 to 4,500 angstrom units Wavelength |
| #3381, aired 1999-04-26 | NATURE $500: In a popular science experiment iodine on a piece of potato turns it dark, indicating this substance is present Starch |
| #3374, aired 1999-04-15 | SCIENCE $400: A satellite in a retrograde orbit around the Earth heads in this direction West/or opposite to the Earth's rotation |
| #3374, aired 1999-04-15 | SCIENCE $800: In this process of cell division, unlike mitosis, a cell divides & halves the number of chromosomes Meiosis |
| #3370, aired 1999-04-09 | THE SOCIAL SCIENCES $200: A specialist in the science of language, or someone who speaks many languages Linguist |
| #3364, aired 1999-04-01 | SCIENCE $400: A whole lot of shakin' goes on in this science that deals almost exclusively with earthquakes Seismology |
| #3364, aired 1999-04-01 | SCIENCE $800: From the Latin for "smoke hole", it's a vent in a volcanic area from which smoke & gases escape a fumarole |
| #3344, aired 1999-03-04 | HIPPOCRATES' MEDICAL GUIDE $400: Hippocrates said sneezing cures these; medical science today advises that you breathe in a bag Hiccups |
| #3343, aired 1999-03-03 | GENERAL SCIENCE $200: This method of preserving food by killing bacteria was developed by a French chemist in the 1860s Pasteurization |
| #3259, aired 1998-11-05 | ROCKET SCIENCE $500: A rocket's thrust may be measured in units named for this man whose laws of motion explain rocketry Sir Isaac Newton |
| #3252, aired 1998-10-27 | SCIENCE $400: In a car's steering system, it's the geared wheel that moves the rack Pinion |
| #3230, aired 1998-09-25 | 1930S SCIENCE $100: In 1935 Robert Goddard was the first to have a liquid fuel rocket break this "barrier" Sound barrier |
| #3197, aired 1998-06-23 | PERRY THE PUNDIT $600: Perry earned a Ph.D. in this "science", like Woodrow Wilson, who was the subject of Perry's thesis Political science |
| #3180, aired 1998-05-29 | SCIENCE & NATURE $600: Creature seen here, in full bloom a sea anemone |
| #3151, aired 1998-04-20 | SCIENCE & NATURE $200: Found in Eastern Australia & Tasmania, this mammal's scientific name means "bird-snout" a platypus |
| #3151, aired 1998-04-20 | SCIENCE & NATURE $400: This metal used in storage batteries is refined mainly from a gray metallic ore called galena lead |
| #3113, aired 1998-02-25 | SIMPLE SCIENCE $100: State of matter a substance is in after it's gone through evaporation gaseous |
| #3113, aired 1998-02-25 | SIMPLE SCIENCE $400: A poison in pure form, this element used as a germicide on cuts has a chemical symbol that's a pronoun iodine |
| #3112, aired 1998-02-24 | PLACES $300: Libraries & the Christian Science Church maintain these areas; the British Museum built a big one in 1857 reading rooms |
| #3111, aired 1998-02-23 | DANGEROUS SCIENCE $800: In the 18th century Karl Scheele tested elements this way; he may have died from mercury poisoning tasting them |
| #3111, aired 1998-02-23 | DANGEROUS SCIENCE $1000: A nitrogen chloride explosion in 1812 damaged the eyes of this safety lamp inventor Sir Humphry Davy |
| #3087, aired 1998-01-20 | SCIENCE & NATURE $300: A perihelion is the point in the orbit of a planet or other celestial body when it's closest to this sun |
| #3082, aired 1998-01-13 | SCIENCE & NATURE $500: In 1686 this English astronomer became the first to publish a meteorological chart Edmond Halley |
| #3058, aired 1997-12-10 | WE'RE "THROUGH" $300: A significant advance in science, like the polio vaccine Breakthrough |
| #3054, aired 1997-12-04 | AMERICAN LITERATURE $1000: He wrote the short story "Nightfall", a science fiction classic, in 1941 when he was 21 years old Isaac Asimov |
| #3047, aired 1997-11-25 | GENERAL SCIENCE $300: This line of visible condensation of water droplets occurs in the wake of a jet aircraft a contrail (or jet trail) |
| #3047, aired 1997-11-25 | GENERAL SCIENCE $500: Rotting meat may glow because bacteria exhibit the phenomenon called this bioluminescence (phosphorescence accepted) |
| #3025, aired 1997-10-24 | SCIENCE QUIZ $600: Home appliance invented in 1858 by Hamilton Smith, it was a tub with a crank-turned spindle Washing machine |
| #3025, aired 1997-10-24 | SCIENCE QUIZ $800: In 1881 Darwin published a book on these, something fishermen were waiting for with "baited" breath Worms |
| #3022, aired 1997-10-21 | SCIENCE NUMBERS $400: A tarantula in a conga line would take 3 steps then kick out this many legs to one side 4 |
| #3019, aired 1997-10-16 | SCIENCE $400: Two 9-volt batteries in a series circuit produce this many volts of electromotive force 18 |
| #3010, aired 1997-10-03 | GIANTS OF SCIENCE $600: In 1993 he made a "brief" appearance as himself on an episode of "Star Trek: The Next Generation" Stephen Hawking |
| #3008, aired 1997-10-01 | "D" IN SCIENCE $100: The material left behind by a retreating glacier or the slow movement of the continents drift |
| #3008, aired 1997-10-01 | "D" IN SCIENCE $300: In 1837 this French theatrical designer invented a new type of photography Louis Daguerre |
| #2994, aired 1997-09-11 | BACK TO SCHOOL $800: After leaving school to foment unrest, Castro returned to get a degree in this law |
| #2993, aired 1997-09-10 | GENERAL SCIENCE $600: In 1851 this "swinger" used a pendulum to show that the Earth rotates on its axis Jean Foucault |
| #2986, aired 1997-09-01 | PHYSICAL SCIENCE CONSTANTS $600: This small letter denotes the speed of light in a vacuum: 299,792,458 meters per second c |
| #2980, aired 1997-07-11 | SCIENCE $200: In a month an observer can see 59% of this heavenly body's surface Moon |
| #2980, aired 1997-07-11 | SCIENCE $400: In 1996 scientists mapped a large lake on this continent covered by over 2 miles of ice Antarctica |
| #2967, aired 1997-06-24 | SCIENCE $800: In 1975 in Texas scientists found fossils of this flying lizard with a more than 50' wingspan a pterodactyl |
| #2964, aired 1997-06-19 | SCIENCE $500: According to his law, resistance in a DC circuit is the ratio of volts to amps Georg Ohm |
| #2955, aired 1997-06-06 | SCIENCE & NATURE $200: In a leaf this food-making process takes place in the palisade & spongy cells photosynthesis |
| #2954, aired 1997-06-05 | SOUTHERN HISTORY $300: In 1982 a court struck down an Arkansas law forcing schools to teach this divine event as science Creation |
| #2939, aired 1997-05-15 | SCIENCE & TECHNOLOGY FIRSTS $400: In February 1878 he received a patent for the first cylindrical phonograph Edison |
| #2939, aired 1997-05-15 | SCIENCE & TECHNOLOGY FIRSTS $500 (Daily Double): Dr. Christiaan Barnard of South Africa performed the first successful one of these surgeries in 1967 a (human) heart transplant |
| #2937, aired 1997-05-13 | GENERAL SCIENCE $800: The neon in a sign produces light when electricity ionizes it into this fourth state of matter Plasma |
| #2935, aired 1997-05-09 | SCIENCE & NATURE $600: In one of these areas, the tops of the trees are collectively called the canopy a rain forest |
| #2927, aired 1997-04-29 | NEWS MEDIA $600: This church produces "Monitor Radio" as well as a newspaper with "Monitor" in its name Christian Science |
| #2922, aired 1997-04-22 | SCIENCE $500: In 1993 Eugene & Carolyn Shoemaker & David Levy discovered a highly fragmented one of these Comet |
| #2909, aired 1997-04-03 | NONFICTION $800: Jacob Bronowski punned on a Darwin title in this book & TV series about the history of science The Ascent Of Man |
| #2903, aired 1997-03-26 | SCIENCE $300: An archipelago is a group of islands & this is a ring of coral islands like Bikini in the Pacific Atoll |
| #2902, aired 1997-03-25 | SCIENCE $300: A parasitoid differs from a parasite in that this eventually happens to its host It dies |
| #2899, aired 1997-03-20 | EXPLORERS IN SCIENCE $200: Besides discovering a comet's orbit, he theorized the Aurora Borealis was of magnetic origin Edmond Halley |
| #2899, aired 1997-03-20 | EXPLORERS IN SCIENCE $400: In 1926 Drs. Murphy & Minot fed patients a half pound of this organ meat a day to treat pernicious anemia Liver |
| #2898, aired 1997-03-19 | SCIENCE $200: Used to control glaucoma, a trabeculectomy is a procedure that reduces pressure in this organ Eye |
| #2894, aired 1997-03-13 | SCIENCE & NATURE $200: Some species of this marsupial in South America have a rudimentary pouch or no pouch at all Opossum |
| #2885, aired 1997-02-28 | SCIENCE $400: This "project" to develop a fission bomb was established in August 1942 The Manhattan Project |
| #2884, aired 1997-02-27 | GENERAL SCIENCE $800: This instrument is used to check the density of liquids, such as the acid in a storage battery Hydrometer |
| #2873, aired 1997-02-12 | PERIODICALS $1000: This edgy science magazine has ceased publication in favor of a completely online version Omni |
| #2869, aired 1997-02-06 | SCIENCE $200: In 1665 Robert Hooke described & named this structural unit; bacteria have only one Cell |
| #2869, aired 1997-02-06 | SCIENCE $400: This blood protein now comes in alpha, beta & gamma types Globulins |
| #2850, aired 1997-01-10 | GENERAL SCIENCE $300: A dilute solution of this acid forms the electrolyte in a lead-acid car battery sulfuric acid |
| #2847, aired 1997-01-07 | SCIENCE & NATURE $200: In a rainbow this color appears between blue & violet Indigo |
| #2833, aired 1996-12-18 | ACTORS & THEIR ROLES $400: A telekinetic teenager on the TV series "Misfits of Science", she now stars as Monica in "Friends" Courteney Cox |
| #2830, aired 1996-12-13 | GENERAL SCIENCE $300: In 1862 Darwin published a book on how orchids are fertilized by these creatures Insects |
| #2819, aired 1996-11-28 | GENERAL SCIENCE $800: A horse's hooves are made up of this protein, the same protein found in your fingernails Keratin |
| #2786, aired 1996-10-14 | SCIENCE $600: After escaping Nazi-occupied Austria with her father in 1938, she set up a child therapy clinic in London Anna Freud |
| #2782, aired 1996-10-08 | TELEVISION HISTORY $800: This PBS science series was begun in 1974 by WGBH-TV producer Michael Ambrosino Nova |
| #2781, aired 1996-10-07 | SCIENCE NEWS $400: In the future doctors may use spider web silk thread as a new material for these a suture |
| #2781, aired 1996-10-07 | SCIENCE NEWS $500: In 1995 UCLA scientists found a spouse is almost as good a source as a twin for this organ transplant kidney |
| #2779, aired 1996-10-03 | SCIENCE $400: When astronomers got a close-up look at this object in 1985-86, its nucleus looked like a big potato Halley's comet |
| #2770, aired 1996-09-20 | SCIENCE $800: In humans this organ produces the female gametes by a process called gametogenesis the ovaries |
| #2770, aired 1996-09-20 | SCIENCE $1000: This type of upward "action" occurs when a fine tube is placed vertically with one end in water capillary action |
| #2764, aired 1996-09-12 | BIOGRAPHIES $1,000 (Daily Double): 2-time Nobel Prize winner who's the subject of a biography subtitled "A Life in Science & Politics" Linus Pauling |
| #2762, aired 1996-09-10 | SCIENCE $600: In this "effect" first described in 1842, the pitch of a train whistle seems to change as it moves the Doppler effect |
| #2739, aired 1996-06-27 | SCIENCE $200: In 1995 the FDA approved Fosamax, a drug to treat this bone-thinning disease osteoporosis |
| #2739, aired 1996-06-27 | SCIENCE $1000: In astronomy one of these bodies has a singularity at its center & an event horizon at its edge black hole |
| #2739, aired 1996-06-27 | SCIENCE $1,500 (Daily Double): In chemistry they're the two processes in a redox reaction reduction & oxidation |
| #2728, aired 1996-06-12 | SCIENCE & NATURE $2,600 (Daily Double): These winds meet at the Equator in a region called the Doldrums trade winds |
| #2715, aired 1996-05-24 | SCIENCE $400: This "laughing gas" is used as a propellant in certain aerosol foods such as whipped cream nitrous oxide |
| #2715, aired 1996-05-24 | SCIENCE $800: In chemistry it's the type of bond in which 2 atoms share a pair of electrons covalent |
| #2710, aired 1996-05-17 | POTPOURRI $400: If you aspire to be the new Leslie Stahl, you may want to earn a B.S.J., a bachelor of science in this field journalism |
| #2690, aired 1996-04-19 | SCIENCE $400: In mammals the base of each hair sits in a pit called this a follicle |
| #2683, aired 1996-04-10 | SCIENCE $500: In geometry it's a quadrilateral with 2 parallel sides; in anatomy, it's the smallest wrist bone Trapezoid |
| #2676, aired 1996-04-01 | -OLOGIES $800: Penology is a branch of this social science criminology |
| #2674, aired 1996-03-28 | WOMEN IN RELIGION $400: In "Retrospection And Introspection", she told of her experiences with the science of Christian healing Mary Baker Eddy |
| #2674, aired 1996-03-28 | GENERAL SCIENCE $400: This, sound composed of a random mix of frequencies, comes in "white" & "pink" types noise |
| #2672, aired 1996-03-26 | POLITICAL SCIENCE $200: The British cabinet meets with the prime minister at this famous residence 10 Downing Street |
| #2662, aired 1996-03-12 | SCIENCE $200: In a converging one of these, all light rays are refracted except those passing through the optical center a lens |
| #2658, aired 1996-03-06 | SCIENCE $1000: This Danish physicist won a Nobel Prize in 1922 & his son won one in 1975 (Niels) Bohr |
| #2642, aired 1996-02-13 | SCIENCE $100: 800 miles in diameter, the Caloris Basin is a feature of this innermost planet Mercury |
| #2642, aired 1996-02-13 | SCIENCE $200: In medicine the person whose organ is removed for transplantation is called this a donor |
| #2639, aired 1996-02-08 | SCIENCE $300: Late in pregnancy this "master gland" releases oxytocin, a hormone that stimulates the release of milk the pituitary gland |
| #2639, aired 1996-02-08 | SCIENCE $400: The Devonian, a time interval of the Paleozoic era, was named for Devon in this country England |
| #2633, aired 1996-01-31 | SCIENCE & TECHNOLOGY $400: Hans Lippershey, who invented this instrument in 1608, called it a "looker" Telescope |
| #2615, aired 1996-01-05 | POLITICAL SCIENCE $100: In this type of election, voters choose the candidates who will run in a later election a primary |
| #2571, aired 1995-11-06 | GENERAL SCIENCE $400: It's the term for molten rock flowing from a volcano or other fissure in the Earth's surface lava |
| #2571, aired 1995-11-06 | GENERAL SCIENCE $2,000 (Daily Double): Sweeter than sucrose or glucose, this fruit sugar is also called levulose fructose |
| #2552, aired 1995-10-10 | SCIENCE $200: In 1608 Hans Lippershey invented a refracting type of this a telescope |
| #2552, aired 1995-10-10 | SCIENCE $600: Konstantin Tsiolkovsky designed the 1st of these devices in Russia to test scale model aircraft a wind tunnel |
| #2552, aired 1995-10-10 | SCIENCE $1000: A satellite in this type of orbit is always over the same point on Earth geosynchronous |
| #2482, aired 1995-05-23 | SCIENCE $600: Calciferol is a form of this vitamin, which regulates calcium metabolism in the body Vitamin D |
| #2448, aired 1995-04-05 | TIME $500: It's the science of measuring time by regular divisions, or a list of events in the order they occurred a chronology |
| #2444, aired 1995-03-30 | GENERAL SCIENCE $200: In tachycardia this beats over 100 times a minute the heart |
| #2437, aired 1995-03-21 | SCIENCE & TECHNOLOGY $400: In 1960 the first laser used a rod made of this gemstone a ruby |
| #2434, aired 1995-03-16 | SCIENCE $600: In contrast to spring tides, this type occurs near the Moon's first & third quarters & is much lower a neap tide |
| #2434, aired 1995-03-16 | SCIENCE $1000: In astronomy, this unit of distance is equal to 3.26 light-years a parsec |
| #2414, aired 1995-02-16 | ITALIAN SCIENCE $400: He won a 1909 Nobel Physics Prize for his work in wireless telegraphy Marconi |
| #2406, aired 1995-02-06 | SCIENCE & NATURE $600: Number of bones in a spider's body 0 |
| #2402, aired 1995-01-31 | MEN OF SCIENCE $400: At his 1829 death this Brit. chemist left money for the founding of a scientific institution in Washington, D.C. (James) Smithson |
| #2402, aired 1995-01-31 | MEN OF SCIENCE $1,000 (Daily Double): This ancient physicist discovered the principle of buoyancy while in a bathtub Archimedes |
| #2402, aired 1995-01-31 | MEN OF SCIENCE $1000: In 1800 this astronomer who previously discovered Uranus discovered infrared rays Sir William Herschel |
| #2368, aired 1994-12-14 | SCIENCE $600: O.C. Marsh, a discoverer of Pterodactyl fossils, became the USA's first professor of this science in 1866 paleontology |
| #2359, aired 1994-12-01 | SCIENCE & NATURE $400: With a diameter over 35 feet, a Montezuma cypress in this country is the world's thickest tree Mexico |
| #2290, aired 1994-07-15 | SCIENCE $500: In geology the littoral is the environment between the highest & lowest ones of these on a beach the tides |
| #2281, aired 1994-07-04 | GENERAL SCIENCE $400: In the body a deficiency of this element, symbol Mg, can cause dizziness & weakness magnesium |
| #2276, aired 1994-06-27 | AWARDS $600: In 1968 this helicopter pioneer received a National Medal of Science from President Johnson Sikorsky |
| #2263, aired 1994-06-08 | WOMEN IN SCIENCE $100: Florence Seibert invented a process to produce pure tuberculin, used to detect this disease tuberculosis |
| #2263, aired 1994-06-08 | WOMEN IN SCIENCE $200: A friend whose bird sanctuary had been sprayed with DDT sparked her to write "Silent Spring" Rachel Carson |
| #2263, aired 1994-06-08 | WOMEN IN SCIENCE $300: Irene Joliot-Curie was a member of the Atomic Energy Commission of this, her native country France |
| #2205, aired 1994-03-18 | SCIENCE $2,400 (Daily Double): It's a branch of math or, in dentistry, a hardened plaque on the teeth calculus |
| #2177, aired 1994-02-08 | SCIENCE & NATURE $100: A surplus of these in the South led George Washington Carver to come up with over 300 new uses for them peanuts |
| #2176, aired 1994-02-07 | SCIENCE FICTION $800: A supercomputer runs the world in "This Perfect Day" by this "Rosemary's Baby" author Ira Levin |
| #2174, aired 1994-02-03 | SCIENCE $200: In photosynthesis, a plant takes in CO2 & releases this gas oxygen |
| #2155, aired 1994-01-07 | SCIENCE $200: In 1957 the symbol for this gaseous element was changed from A to Ar argon |
| #2140, aired 1993-12-17 | SCIENCE & NATURE $1000: Discovered in 1974, the oldest skeleton of a female hominid is nicknamed this, after a Beatles song Lucy |
| #2110, aired 1993-11-05 | SCIENCE $1,000 (Daily Double): This artery starts in the pelvis & runs 2/3 of the way down the thigh the femoral artery |
| #2074, aired 1993-09-16 | MEN OF SCIENCE $400: English botanist Stephen Hales determined that the sap in a plant flows in this direction up |
| #2067, aired 1993-09-07 | SCIENCE $200: In physics a rad is the unit used to measure the amount of this absorbed by matter radiation |
| #2067, aired 1993-09-07 | SCIENCE $400: In 1975 Isaac Asimov published a history of this scientific instrument called "Eyes on the Universe" the telescope |
| #2067, aired 1993-09-07 | NEWSPAPERS $1000: This Long Island newspaper was founded by Alicia Patterson in 1940 & has a daily circulation of over 750,000 Newsday |
| #2051, aired 1993-07-05 | GENERAL SCIENCE $100: A hydrate contains this compound weakly bound in its crystals water |
| #2050, aired 1993-07-02 | SCIENCE & NATURE $800: A halophyte is a plant that can tolerate a large amount of this substance in the soil salt |
| #2048, aired 1993-06-30 | SCIENCE & TECHNOLOGY $200: Using a kite antenna, he received the first transatlantic wireless message in 1901, the letter S Marconi |
| #2048, aired 1993-06-30 | SCIENCE & TECHNOLOGY $300: In 1611 Johannes Kepler introduced a second convex lens, giving this instrument greater power a telescope |
| #2021, aired 1993-05-24 | "D" IN SCIENCE $400: It's a ridge or mound of loose sand heaped up by the wind a dune |
| #2021, aired 1993-05-24 | "D" IN SCIENCE $600: Alcohol & carbolic acid are 2 examples of this type of solution used to kill microorganisms a disinfectant |
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Joey Beachum, a senior from Mississippi State University
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2010 Tournament of Champions quarterfinalist: $5,000. 2008 College Championship winner: $100,000...
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Mary Ann Stanley, a high school chemistry and physical science teacher from Statesboro, Georgia
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"She's been teaching for 22 years and is now teaching the...
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A.J. Schumacher, a radio show production intern from St. Paul, Minnesota
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Season 25 1-time champion: $10,800 + $2,000. AJ Schumacher Saint Paul,...
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Brandon Hensley, a sophomore from Caltech
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2008 College Championship quarterfinalist: $5,000. 19 and from Huntington, WV at...
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Thomas L. Friedman, an author and foreign affairs columnist from The New York Times
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"He has won three Pulitzer Prizes and authored six best sellers,...
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Matt Jacobs, a science teacher originally from Stratford, Connecticut
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Season 25 1-time champion: $10,323 + $1,000. Matt resided in Silver...
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Emily Zhang, from Indianapolis, Indiana
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"A National Science Merit Award recipient, she plans on becoming a...
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Elissa Hoffman, a high school biology and anatomy & physiology teacher from Appleton, Wisconsin
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"She is in her lucky 13th year of teaching. From Appleton,...
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Andrew Chung, a sophomore from Harvey Mudd College
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2008 College Championship 2nd runner-up (semifinalist by wildcard): $25,000. 20 and...
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Nick Yozamp, a junior from Washington University in St. Louis
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2010 Tournament of Champions wildcard semifinalist: $10,000. 2010-A College Championship winner:...
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Steph Gagelin, a sophomore from the University of North Dakota from Grand Forks, North Dakota
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2010-B College Championship quarterfinalist: $5,000 + a Nintendo Wii + the...
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Roger Craig, a graduate student of computer science from Newark, Delaware
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2019 All-Star Games member of wildcard-match 2nd-place Team Austin: a share...
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Jeff Kirby, a math and science teacher from Santa Maria, California
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Season 26 player (2009-10-12). Season 16 player (1999-12-08). Jeff returned to...
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Liz Murphy, a foreign service officer originally from Scranton, Pennsylvania
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2010 Tournament of Champions semifinalist: $10,000. Season 25 5-time champion: $121,302...
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Marion Penning, a high school science and history teacher from Baltimore, Maryland
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"She teaches at a Maryland 'green' school that has a solar...
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Julián Altschul, a math and science tutor from Jackson Heights, New York
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Season 24 1-time champion: $19,200 + $2,000. First name pronounced like...
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Scott Weiss, a computer science professor from Walkersville, Maryland
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Season 23 3-time champion: $61,001 + $2,000. Through a generous wager,...
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Erin McLean, a sophomore from Boston University from Danvers, Massachusetts
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2011 Tournament of Champions wildcard semifinalist: $10,000. 2010-B College Championship winner:...
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Max Johansen, a senior from the University of Miami
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"As a seventh grader, he was planning on a career in...
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Laura Myers, a senior from the University of Missouri
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2009 College Championship second runner-up: $29,900. 22 and from Richmond, Virginia...
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Andy Srinivasan, a high school science teacher from Garner, North Carolina
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2010 Tournament of Champions semifinalist: $10,000. Season 26 4-time champion: $69,600...
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Ellen Eichner, a junior from the Ohio State University from Northbrook, Illinois
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2010-B College Championship semifinalist: $10,000 + a Nintendo Wii + the...
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Ryan Chaffee, a tutor from Los Angeles, California
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2010 Tournament of Champions quarterfinalist: $5,000. Season 26 4-time champion: $91,900...
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Jordan Brand, an anesthesiologist from Westchester, New York
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Season 26 1-time champion: $24,405 + $2,000. The Sesame Street character...
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Surya Sabhapathy, a senior from the University of Michigan
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2010-A College Championship 2nd runner-up (semifinalist by wildcard): $26,600. Hometown: Northville,...
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Robbie Berg, a freshman from the University of Pennsylvania
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2010-A College Championship quarterfinalist: $5,000. Hometown: Davie, Florida. Robbie Berg Blog...
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Amanda J. Ray, a sophomore at the University of Virginia from Harrisonburg, Virginia
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2010-B College Championship quarterfinalist: $5,000 + a Nintendo Wii + the...
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Leah Anthony Libresco, a junior from Yale University
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2010-A College Championship wildcard semifinalist: $10,000. Hometown: Mineola, New York. Jeopardy!...
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Sam Spaulding, a sophomore from Yale University from Wilmington, North Carolina
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2010-B College Championship 1st runner-up: $50,000 + a Nintendo Wii +...
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Justin Otor, a 12-year-old from Texarkana, Texas
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"His chosen profession will be something in the field of science...
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Katie Singh, a sophomore from Northwestern University from Austin, Texas
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2010-B College Championship quarterfinalist: $5,000 + a Nintendo Wii + the...
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Dylan Smith, from the Bronx, New York
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"This honor roll student wants to invent a teleporting system. From...
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Nico Martinez, a junior at Stanford University from Bloomfield Hills, Michigan
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2006 Tournament of Champions quarterfinalist: $5,000. 2005 College Champion: $100,000 +...
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Vicky Manos, a sophomore at St. John’s University from Levittown, New York
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2004 College Championship semifinalist: $10,000.
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Colin Brown, a senior at the University of Rochester from Milwaukie, Oregon
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2005 College Championship quarterfinalist: $5,000.
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Christine Valada, a photographer and attorney originally from Walton, New York
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2010 Tournament of Champions quarterfinalist: $5,000. Season 26 4-time champion: $68,703...
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Ariella Goldstein, a junior from Muhlenberg College
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2009 College Championship wildcard semifinalist: $10,000. 20 and from Cortlandt Manor,...
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Alex Stambaugh, a 12-year-old from Paris, Kentucky
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"He feels he can use his talents in math and science...
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Elza Reeves, a bank teller from Louisville, Kentucky
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Season 25 1-time champion: $16,400 + $1,000. Jeopardy! Message Board user...
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Danny Devries, a junior from the University of Michigan
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2008 College Championship semifinalist: $10,000. 21 and from West Bloomfield, MI...
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Suchita Shah, a senior from the University of Wisconsin-Madison
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2008 College Championship wildcard semifinalist: $10,000. 20 and from Holmen, WI...
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Aaron Wicks, a planning and evaluation manager from Rochester, New York
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Season 26 1-time champion: $18,001 + 1,000. Aaron Wicks Rochester, NY...
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Sanders Kleinfeld, a publishing technology specialist from Cambridge, Massachusetts
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Season 25 1-time champion: $26,597 + $2,000. Jeopardy! Message Board user...
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Patrick Tucker, a senior from the University of Notre Dame
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2010 Tournament of Champions quarterfinalist: $5,000. 2009 College Championship winner: $100,000...
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Larissa Charnsangavej, a senior from Rice University
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2009 College Championship quarterfinalist: $5,000. 21 and from Houston, Texas at...
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Francois Dominic Laramée, a writer and TV personality from Verdun, Quebec, Canada
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Season 25 2-time champion: $46,300 + $1,000. Francois's name was printed...
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Prashant Raghavendran, a sophomore from the University of Texas, Dallas
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2010-A College Championship quarterfinalist: $5,000. Hometown: Austin, Texas. Prashant Raghavendran Blog...
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Nathaniel Barnes, a composer and bartender from Toronto, Ontario, Canada
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Season 25 3-time champion: $57,300 + $2,000. In his first game,...
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Anderson Cooper, a news anchor and correspondent from CNN
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"He anchors his own prime-time news show, a syndicated daytime talk...
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Sid Chandrasekhar, a senior from the University of Pennsylvania from Saratoga, California
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2010-B College Championship semifinalist: $10,000 + a Nintendo Wii + the...
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Anderson Cooper, an anchor from CNN's Anderson Cooper 360°
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"As a baby, he was photographed by Diane Arbus of Harper's...
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Jennifer Duann, a senior from the Ohio State University
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2009 College Championship quarterfinalist: $5,000. 21 and from Worthington, Ohio at...
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Lea Tottle, a junior from Florida State University from Oldsmar, Florida
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2010-B College Championship wildcard semifinalist: $10,000 + a Nintendo Wii +...
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Clarence Page, a journalist from The Chicago Tribune
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"His nationally syndicated column began as a local column for the...
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Kareem Abdul-Jabbar, a Basketball Hall of Famer and all-time leading scorer from the NBA
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"In January, the State Department named this NBA Hall of Famer...
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David Duchovny, an actor from Californication
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"He's won two Golden Globes and stars as troubled novelist Hank...
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Diane Siegel, an educational consultant and writer from Northridge, California
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"A full-time mom when she won five games in 1993, now...
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Bobby Millison, from Clifton Heights, Pennsylvania
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"He's an award-winning diver, and would like to serve his country...
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Dana Delany, an actress from Desperate Housewives
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"She won two Emmys for her work on China Beach. This...
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Jimmy Li, a senior from Chesterfield, Missouri
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2005 Teen Tournament wildcard semifinalist: $5,000. 17 at the time of...
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William Carpenter, from Bainbridge Island, Washington
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"Being the scientist that he is, Mom never knows what she...
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Russ Schumacher, a graduate student and newlywed from Fort Collins, Colorado
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"He won the most recent Tournament of Champions. A graduate student...
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Harry Shearer, an actor/writer/producer from The Simpsons and Le Show
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"His many credits include providing voices for The Simpsons, and he's...
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Wil Curiel, an 11-year-old from Costa Mesa, California
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"His favorite subject is science, so it's not surprising that this...
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Keith Olbermann, a news anchor from MSNBC
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"In 2004, this veteran reporter will provide extensive coverage of the...
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Scottie Szewczyk, from Belleville, Illinois
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"He enjoys science and sports, and would like to work as...
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Joseph Henares, from Avon, Connecticut
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"Along with group science projects, history club, writing club, and chess...
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William Garrett, a 12-year-old from Greenfield, Indiana
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"Serving his country as an officer in the military is his...
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Kevin Yang, a junior from Birmingham, Alabama
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2012 Teen Tournament semifinalist: $10,000.
16 at the time of the Teen Tournament.
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Joli Millner, an eleven-year-old from Charlottesville, Virginia
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"No kidding, she wants to be a pediatrician when she grows...
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Keith Williams, a freshman at Middlebury College from Manchester, Vermont
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2005 Ultimate Tournament of Champions Round 1 player: $5,000. 2004 Tournament...
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Paul Glaser, a research scientist from Albany, New York
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2007 Tournament of Champions semifinalist: $10,000 + the Jeopardy! DVD Home...
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Michael Glick, a 12-year-old from Smithtown, New York
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"He's in math honors this year, even though math is one...
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Emily Riippa, a 12-year-old seventh grader from Grand Rapids, Michigan
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"She is a fast reader, and her mother says she was...
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Rowan Spake, from Portland, Oregon
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"He's interested in nanotechnology and robotics to improve surgery. But getting...
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Taylor Gailliot, from Woodbridge, Virginia
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"When asked what she wanted us to know about her, she...
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Michael Braun, a high school junior from Silver Spring, Maryland
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"He is the 2005 Teen Tournament champion. A high school junior...
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Sally O'Rourke, a freelance copywriter originally from Baton Rouge, Louisiana
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Season 27 1-time champion: $33,601 + $1,000.
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Whitney Dearden, an 11-year-old from Washington Crossing, Pennsylvania
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"She enjoys working with animals and would like to become a...
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Brandon Blackwell, a sophomore from Holliswood, New York
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2024 Jeopardy! Invitational Tournament quarterfinalist: $5,000. 2008-B Teen Tournament wildcard semifinalist:...
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Veronica Fazio, from Roselle, Illinois
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"She dances, plays softball, and hangs with her friends, but wants...
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Sita Yerramsetti, an eleven-year-old from Houston, Texas
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"Her heart is set on becoming a cardiac surgeon. From Houston,...
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Gabby Fusco, an 11-year-old from Maspeth, New York
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"She's loved everything about science she was a little kid, so...
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Jessica Anderson, a twelve-year-old from Cranston, Rhode Island
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"She's known she wanted to be a teacher for six years--that's...
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Indi Ekanayake, an 8th grade science teacher from Seattle, Washington
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2018 Teachers Tournament quarterfinalist: $5,000 + a $2,500 grant. At the...
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Rahul Francis, a twelve-year-old from Flushing, New York
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"This electronic wizard's current plans are to run a technology company....
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Bernard Holloway, a junior from Mitchellville, Maryland
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2005 Ultimate Tournament of Champions Round 1 player: $5,000. 2002 Teen...
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Tom Nichols, a political science professor originally from Chicopee, Massachusetts
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2005 Ultimate Tournament of Champions Round 1 player: $5,000. 1994 Tournament...
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Liz Feltner, a senior at Northeastern University in Boston, Massachusetts
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2022 National College Championship 2nd runner-up: $50,000. Liz was majoring in...
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Kermin Fleming, a student from Lexington, Kentucky
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2006 Tournament of Champions quarterfinalist: $5,000. 2005 Ultimate Tournament of Champions...
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Jake Houser, a 12-year-old seventh grader from Aptos, California
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"And this straight-A student would like to become a geneticist so...
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Nikhil Desai, a junior from Fremont, California
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2011 Teen Tournament semifinalist: $10,000. 16 at the time of the...
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Matt Tick, from Escondido, California
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"Will take violin lessons and loves science, but he really wants...
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Emily Love, from Overland Park, Kansas
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"This future chef wants to run her own restaurant and have...
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Cynthia Reedy, a science and French teacher from Norway, Maine
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Season 25 player (2009-05-19).
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Sreekar Madabushi, a junior at the Georgia Institute of Technology from Basking Ridge, New Jersey
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"In 2019, he was a high school junior at Basking Ridge,...
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Andrew Robinson, a graduate student of international science and technology policy from Washington, D.C.
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Season 28 player (2011-12-27).
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Phil Klinkner, a political science professor originally from Clinton, Iowa
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Season 9 1-time champion: $3,200. Philip Klinkner was a guest panelist...
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Matt Jackson, a grad student in computer science and public policy originally from Washington, D.C.
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2024 Jeopardy! Invitational Tournament semifinalist: $10,000. 2019 All-Star Games member of...
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Michael Bilow, a Ph.D. student in computer science from Los Angeles, California
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2015 Tournament of Champions quarterfinalist: $5,000. Season 31 3-time champion: $96,000...
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Tobias Harris, a graduate student in political science originally from Lincolnwood, Illinois
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Season 29 player (2013-05-27).
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Chloe Horning, a graduate student in library and information science from Seattle, Washington
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Season 27 1-time champion: $14,000 + $2,000.
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Katie Walker, a biomedical science teacher from Chapel Hill, North Carolina
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Season 32 1-time champion: $5,000 + $2,000. Katie appeared on the...
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Michael Bilow, a Ph.D. student in computer science originally from Chicago, Illinois
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2015 Tournament of Champions quarterfinalist: $5,000. Season 31 3-time champion: $96,000...
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Jerry Mayer, a political science professor from Arlington, Virginia
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Season 21 player (2004-12-14).
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Joe Kohake, from Florence, Kentucky
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"Golf, piano, and euphonium lessons are just a few of his...
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Justin Bernbach, a lobbyist from Brooklyn, New York
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2010 Tournament of Champions semifinalist: $10,000. Season 25 7-time champion: $155,001...
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Tom Toce, an actuary from New York, New York
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Season 26 2-time champion: $39,200 + $2,000. Last name pronounced like...
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Rachel Pildis, a software developer from Oak Park, Illinois
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Season 26 1-time champion: $12,000 + $2,000. Rachel Pildis - A...
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Eliza Scruton, a junior from Louisville, Kentucky
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2012 Teen Tournament semifinalist: $10,000.
16 at the time of the Teen Tournament.
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Liz Murphy, a foreign service officer originally from Scranton, Pennsylvania
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2010 Tournament of Champions semifinalist: $10,000. Season 25 5-time champion: $121,302...
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Heidi Fogle, a senior from Overland Park, Kansas
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2007 Teen Tournament semifinalist: $10,000.
17 at the time of the Teen Tournament.
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Ben Chuchla, a senior from Calabasas, California
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2008-B Teen Tournament wildcard semifinalist: $10,000. Last name pronounced like "HOO-kla"....
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Don Meals, an environmental scientist from Burlington, Vermont
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Season 27 3-time champion: $42,599 + $2,000.
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Robert Knecht Schmidt, a patent agent from Cleveland, Ohio
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Season 26 1-time champion: $12,799 + $1,000. Middle name pronounced like...
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Anjali Tripathi, a senior from MIT
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"Math and science were her favorite subjects in seventh grade. We're...
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Alison Stone Roberg, an administrative assistant from Kansas City, Missouri
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Season 26 3-time champion: $85,102 + $2,000. Jeopardy! Message Board user...
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Jean Cui, a student originally from Garden City, New York
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Season 25 2-time champion: $14,200 + $2,000. Last name pronounced like...
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Kweisi Mfume, a president from the NAACP
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2004 Power Players Week player (2004-05-11). Name pronounced like "kwah-EE-see oom-FOO-may"....
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Anderson Cooper, a host from CNN's Anderson Cooper 360°
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2004 Power Players Week player (2004-05-11).
Charity: American Heart Association.
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Roger Craig, a data scientist from Brooklyn, New York
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"He was a graduate student in computer science living in Newark,...
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Madison Ball, from Montgomery, Texas
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"He loves to design and build things, and that's why becoming...
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Krishna Bharathala, a sophomore from Fremont, California
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2012 Teen Tournament wildcard semifinalist: $10,000.
15 at the time of the Teen Tournament.
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Mitchell Vogel, from Madison, Wisconsin
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"This future governor of Wisconsin enjoys rollerblading, reading, and playing saxophone....
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Arthur Gandolfi, a commercial real estate executive from Pleasantville, New York
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2004 Tournament of Champions 2nd runner-up: $25,000. Season 20 4-time champion:...
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Sebastian Johnson, a senior from Takoma Park, Maryland
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2006 Teen Tournament wildcard semifinalist: $10,000. Listed as "Sebi" on the...
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Jason Richards, a pharmacy technician from Old Town, Maine
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2006 Tournament of Champions wildcard semifinalist: $10,000.
Season 22 4-time champion: $99,200 + $2,000.
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Claire Winkler, from Fredericksburg, Virginia
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"This honor roll student participates on both the year-round and summer...
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Avi Gupta, a senior at Stanford University from Portland, Oregon
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"He was a high schooler in Portland, Oregon when he won...
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Mysti Kofford, a junior at Boston University from New Orleans, Louisiana
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2001 College Championship wildcard semifinalist: $5,000. Mysti was 19 at the...
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Morgan Flood, a junior from Pequea, Pennsylvania
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2012 Teen Tournament quarterfinalist: $5,000.
17 at the time of the Teen Tournament.
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Evan Eschliman, a sophomore from Olathe, Kansas
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2012 Teen Tournament semifinalist: $10,000.
16 at the time of the Teen Tournament.
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Lindsey Bartlett, a junior from Winter Haven, Florida
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2002 Teen Tournament semifinalist: $5,000. Lindsey was 16 at the time...
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Brett Dvorak, a junior at Indiana University from Granger, Indiana
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2001 College Championship wildcard semifinalist: $5,000. Brett was 20 at the...
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Anna Allie, a junior at the University of Michigan at Dearborn from Dearborn, Michigan
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2005 College Championship quarterfinalist: $5,000.
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Charlotte Darby, from West Chester, Pennsylvania
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"Her crafts include crochet, origami, and friendship bracelets. From West Chester,...
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Matt Amodio, a post-doctoral researcher from Cambridge, Massachusetts
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2023 Jeopardy! Masters 3rd place player: $150,000. 2022 Tournament of Champions...
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Rhea Sinha, a Cornell University graduate from Chatham, New Jersey
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\"She first appeared as a high schooler from Chatham, New Jersey,...
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Mallory Banks, from Summerville, South Carolina
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"And this future physicist loves figuring out the underlying components of...
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Hon. Margaret Spellings, a U.S. Secretary of Education from Washington, D.C.
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"As an advisor to President George W. Bush, she helped craft...
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Matt Amodio, a Ph.D. student from New Haven, Connecticut
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2023 Jeopardy! Masters 3rd place player: $150,000. 2022 Tournament of Champions...
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Matt Amodio, a postdoctoral researcher from Cambridge, Massachusetts
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2023 Jeopardy! Masters 3rd place player: $150,000. 2022 Tournament of Champions...
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Bradley Silverman, a junior from Alpharetta, Georgia
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2008-B Teen Tournament 1st runner-up: $44,600. Jeopardy! Message Board user name:...
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Vivian Lappenbusch, a twelve-year-old from Seattle, Washington
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"She finds other people's stories and cultures fascinating, so anthropology is...
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Weston Mangin, a freshman at Cal Poly San Luis Obispo from Arroyo Grande, California
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2012 College Championship semifinalist: $10,000.
19 at the time of the College Championship.
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Tony Harkin, an eleven-year-old from New Milford, Connecticut
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"Dig this--he wants to be an archaeologist when he grows up....
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Russ Schumacher, a university professor from Fort Collins, Colorado
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"He was a graduate student when he won the Tournament of...
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Russ Schumacher, a graduate student from Fort Collins, Colorado
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2014 Battle of the Decades semifinalist: $25,000. 2005 Ultimate Tournament of...
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Clement Doucette, a 12-year-old seventh grader from Hudson, Massachusetts
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"This science lover wants to do something in the medical field....
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