| #9083, aired 2024-04-17 | ANIMAL LIFE $1600: In the 2010s scientists attached satellite tags to American eels to track their route to breed in this North Atlantic sea the Sargasso Sea |
| #8945, aired 2023-10-06 | DEAD SCIENTISTS SOCIETY $800: This American was a real rocket scientist, launching his first liquid-propelled one March 16, 1926 Goddard |
| #8931, aired 2023-09-18 | AMERICAN HISTORY $400: Many scientists came from the Nazi rocket program to get NASA off the ground, like Kurt Debus, the first director of this space center from 1962 to 1974 the Kennedy Space Center |
| #8491, aired 2021-10-18 | BIRD BRAINS $1,000 (Daily Double): Scientists think the corvids, including the American & carrion this, are the smartest of all birds a crow |
| #7744, aired 2018-04-19 | MYTH-POURRI $400: To scientists it's Canis latrans; in Native American myth it's a common trickster figure a coyote |
| #7194, aired 2015-12-17 | AMERICAN HISTORY $800: In 2015, scientists displayed remains of four leaders of this Virginia colony, buried under America's first Protestant church Jamestown |
| #7091, aired 2015-06-15 | LIVES OF THE SCIENTISTS $1600: It's a chemist, Charlie Brown! In 1931 this American published his classic text "The Nature of the Chemical Bond" Linus Pauling |
| #6795, aired 2014-03-14 | "P"SCIENTISTS $1200: This American chemist is the only person to have won 2 unshared Nobel prizes Linus Pauling |
| #5851, aired 2010-02-08 | STAMPS $400: This astronomer for whom a space telescope is named is honored in the American Scientists series (Edwin) Hubble |
| #5670, aired 2009-04-10 | SCIENTISTS $1600: These radiation belts named for an American physicist are found in the earth's magnetosphere the Van Allen Belts |
| #5573, aired 2008-11-26 | THE NATIONAL WEATHER SERVICE $600: (Sarah holds a weather balloon transmitter.) Pre-transmitters, scientists went up in weather balloons themselves; the AMS, this society, gives the Meisinger Award in memory of one killed by lightning the American Meteorological Society |
| #5029, aired 2006-06-22 | DEAD SCIENTISTS' SOCIETY $600: This American was a real rocket scientist, launching his first one March 16, 1926 Robert Goddard |
| #4115, aired 2002-06-21 | 20th CENTURY SCIENTISTS $2000: In the 1920s this American astronomer provided the earliest evidence that the universe was expanding Hubble |
| #3163, aired 1998-05-06 | SCIENTISTS $200: This American botanist developed over 400 products from the sweet potato, the pecan & the peanut George Washington Carver |
| #2851, aired 1997-01-13 | SCIENTISTS $1000: This Hungarian-American physicist was the principal architect of the hydrogen bomb Edward Teller |
| #2844, aired 1997-01-02 | SCIENTISTS $200: In 1877 American astronomer Asaph Hall discovered this planet's moons, Phobos & Deimos Mars |
| #2801, aired 1996-11-04 | SCIENTISTS & INVENTORS $800 (Daily Double): As a child this American inventor was called Finley Samuel F.B. Morse |
| #2547, aired 1995-10-03 | SCIENTISTS $400: This American ornithologist was the illegitimate son of a French sea captain & a servant girl (John James) Audubon |
| #2465, aired 1995-04-28 | SCIENTISTS $600: In 1846 American physicist Joseph Henry was elected first secretary of this newly formed institution the Smithsonian |
| #2442, aired 1995-03-28 | INVENTORS & SCIENTISTS $400: Element number 99 is named for this German-American physicist Einstein |
| #2008, aired 1993-05-05 | SCIENTISTS & INVENTORS $1,000 (Daily Double): The National Accelerator Lab near Batavia, Illinois is named for this Italian-American physicist (Enrico) Fermi |
| #1884, aired 1992-11-12 | SCIENTISTS $1000: It was American physicist Arthur Compton who came up with this name for a quantum of light a photon |
| #1655, aired 1991-11-08 | FAMOUS SCIENTISTS $1000: In 1848 this astronomer became the 1st woman member of the American Academy of Arts & Sciences Maria Mitchell |
| #1580, aired 1991-06-14 | CHIMPANZEES $400: Scientists at the University of Nevada taught Washoe the chimp some ASL, which is this American Sign Language |
| #1363, aired 1990-07-04 | THE ANIMAL KINGDOM $400: The American species of this red-breasted singer is known to scientists as Turdus migratorius robin |
| #1029, aired 1989-02-09 | SCIENTISTS $600: American physicist Robert Millikan gave this name to the radiation bombarding the earth cosmic rays |
