#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 |
#8971, aired 2023-11-13 | LIFE SCIENCE $1600: Transporting this protein is the main job of your body's erythrocytes hemoglobin |
#8603, aired 2022-03-23 | SCIENCE IN NATURE $2000: Macropus rufus is the scientific name for this largest living marsupial red kangaroo |
#8576, aired 2022-02-14 | SCIENCE $1200: O say, can you see--SrCO3, this two-word compound that causes the red glare seen here strontium carbonate |
#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 $2000: The Sun is a G2 V star, or this type of dwarf a yellow dwarf |
#8053, aired 2019-09-18 | SCIENCE $400: Similar to Jupiter's Great Red Spot, this planet once had a Great Dark Spot storm system that was about the size of Earth Neptune |
#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 |
#7985, aired 2019-05-03 | GETTING ALL SCIENCE "E" $1600: It's the one-word name for a red blood cell erythrocyte |
#7791, aired 2018-06-25 | SCIENCE STUFF $1200: Jupiter has its Great Red Spot; this planet has a Great White Spot, seen at 30-year intervals Saturn |
#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 |
#7306, aired 2016-05-23 | PREFIXATED ON SCIENCE $400: Erythro‑ & chloro‑ are these 2 colors; happy holidays! red & green |
#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 |
#6961, aired 2014-12-15 | ANCIENT SCIENCE $800: Anaxagoras was exiled from Athens for believing that this was a red hot metal larger than the Peloponnese the sun |
#6614, aired 2013-05-23 | FUN WITH SCIENCE $400: One method to show movies this way divides the image into red & blue parts that your brain combines 3-D |
#6472, aired 2012-11-06 | "G", I LOVE SCIENCE $1600: This feature of Jupiter is about 12,400 by 7,500 miles the Great Red Spot |
#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 |
#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 |
#6179, aired 2011-06-23 | GENERAL SCIENCE $800: In 1674 this Dutchman, using microscopes that he made, became the first to describe red blood cells van Leeuwenhoek |
#6167, aired 2011-06-07 | SCIENCE $400: They're also called erythrocytes red blood cells |
#5829, aired 2010-01-07 | "RED" SCIENCE $400: Found in warm coastal waters, it's an explosion of fish-killing, toxin-secreting dinoflagellates red tide |
#5829, aired 2010-01-07 | "RED" SCIENCE $800: An erythrocyte a red blood cell |
#5829, aired 2010-01-07 | "RED" SCIENCE $1200: This salad ingredient, Capsicum annuum grossum, has been allowed to ripen on the vine a red pepper |
#5829, aired 2010-01-07 | "RED" SCIENCE $1600: A small, dim star; Proxima Centauri is one a red dwarf |
#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 |
#5763, aired 2009-10-07 | SCIENCE TERMS $800: Alkalis are strong these, which turn litmus paper from red to blue bases |
#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 |
#5586, aired 2008-12-15 | GENERAL SCIENCE $800: Using spectrometry, you'll find that helium produces a bright line of this color yellow |
#5467, aired 2008-05-20 | GENERAL SCIENCE $8,000 (Daily Double): The IRAS telescope, which revealed 5 new comets, made its observations in this part of the light spectrum infra-red |
#5453, aired 2008-04-30 | COLORFUL SCIENCE $400: A likely problem at traffic signals, the defect called deuteranopia usually causes confusion of red & this color green |
#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 |
#5335, aired 2007-11-16 | IT AIN'T ROCKET SCIENCE $600: Henri Dunant, founder of the Red Cross, was a native of this city Geneva |
#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 |
#5104, aired 2006-11-16 | SCIENCE $200: The opposite of a base, it turns blue litmus red an acid |
#5067, aired 2006-09-26 | THE HISTORY OF SCIENCE $800: The father of this "father of antiseptic surgery" was one of the first to describe red blood cells (Joseph) Lister |
#4393, aired 2003-10-15 | SCIENCE BRIEFS $200: The primary colors are red, yellow & this blue |
#4340, aired 2003-06-13 | SCIENCE & NATURE $800: At about 4 1/2 feet in height & 180 pounds, this red-haired great ape is the largest tree-dwelling mammal orangutan |
#4306, aired 2003-04-28 | SCIENCE $600 (Daily Double): When combined with oxygen, this lightest chemical element makes water hydrogen |
#4254, aired 2003-02-13 | SCIENCE CLASS $1200: (Sofia of the Clue Crew reports from New York's Central Park) Autumn leaves turn golden red as shorter days & cooler nights cause the breakdown of this green pigment chlorophyll |
#3865, aired 2001-05-25 | SCIENCE & NATURE $100: About one-millionth as bright as our sun, these small red stars are also known as flare stars dwarfs |
#3732, aired 2000-11-21 | SIMPLE SCIENCE $100: Rhodium got its name because its salts are this color Red |
#3673, aired 2000-07-19 | GENERAL SCIENCE $400: The "super" class of these stars, the largest known, includes Antares & Betelgeuse Red giants |
#3390, aired 1999-05-07 | THE SCIENCE OF COLOR $200: The defect called deuteranopia usually causes confusion of red & this color; a possible problem at traffic signals Green |
#3259, aired 1998-11-05 | ROCKET SCIENCE $300: Rockets developed by William Congreve produced the "red glare" this man saw on Sept. 13-14, 1814 Francis Scott Key |
#2578, aired 1995-11-15 | SCIENCE $200: Like humans, the Red-vented Bulbul bird needs a dietary source of this vitamin, also called ascorbic acid Vitamin C |
#2226, aired 1994-04-18 | SCIENCE $100: Folic acid is necessary for the production of red blood cells in this part of the bones the marrow |
#2212, aired 1994-03-29 | SCIENCE & NATURE $200: Red blood cells are made in this substance that fills the medullary cavity of the bones the marrow |
#2140, aired 1993-12-17 | SCIENCE & NATURE $800: Named from the Greek for "bloodlike", this mineral, often red, is the chief ore of iron hematite |
#2130, aired 1993-12-03 | SCIENCE $300: Scientist John Dalton suffered from the red-green type of this color blindness |
#1955, aired 1993-02-19 | SCIENCE $800: A bloom of tiny marine dinoflagellates produces this colorful tide a red tide |
#1861, aired 1992-10-12 | SCIENCE $600: The color of light depends on this, with the longest one corresponding to red wavelength |
#1861, aired 1992-10-12 | SCIENCE $1000: Though usually black, this volcanic glass is also found in red, brown, & mottled varieties obsidian |
#1849, aired 1992-09-24 | SCIENCE $200: Cinnabar, the most important ore of mercury, is this bright color red |
#1620, aired 1991-09-20 | SCIENCE & NATURE $500: Erythrocyte is the scientific name for a red blood cell & this is the term for a white one leukocyte |
#1614, aired 1991-09-12 | SCIENCE $400: Color of the shift that scientists study to determine the distance of a quasar from Earth the red shift |
#1604, aired 1991-07-18 | SCIENCE & NATURE $200: A red corundum is a ruby, a blue corundum is this a sapphire |
#1584, aired 1991-06-20 | PHYSICAL SCIENCE $300: When these 2 colors mix as light they produce magenta; as paint they make violet red & blue |
#1323, aired 1990-05-09 | SCIENCE $300: Varieties of these simple plants include red, brown, green & blue-green algae |
#1220, aired 1989-12-15 | SCIENCE $300: Warning! Warning! Your litmus paper has just turned red, indicating this type of solution acid |
#1097, aired 1989-05-16 | SCIENCE $100: Chromium compounds make a ruby red & an emerald this color green |
#910, aired 1988-07-15 | SCIENCE $200: If you suffer from Daltonism, you have the red-green type of this colorblindness |
#810, aired 1988-02-26 | SCIENCE $200: If your litmus paper turns red, the substance you tested has this quality acidic |
#776, aired 1988-01-11 | PHYSICAL SCIENCE $400: Abbreviated "P", this element comes in red, white, & black forms phosphorus |
#767, aired 1987-12-29 | SCIENCE $200: On a primary rainbow, this is the color on the outside red |
#503, aired 1986-11-12 | SCIENCE $400: Vegetable dye that turns red in acid solutions & blue in alkaline solutions litmus |
#419, aired 1986-04-17 | SCIENCE $300: Derived from lichens, some turn red in acid solutions, some blue in alkaline solutions litmus papers |
#419, aired 1986-04-17 | SCIENCE $500: Heinrich Schwabe not only studied sunspots, but discovered the "Great Red Spot" on this planet too Jupiter |
#179, aired 1985-05-16 | SCIENCE $200: When excited, this gas glows red, which means our Jeopardy! sign gets excited often neon |
#113, aired 1985-02-13 | SCIENCE $400: A even mix of red, green & blue light makes this color white light |
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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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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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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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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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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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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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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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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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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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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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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