Jeopardy! Round, Double Jeopardy! Round, or Tiebreaker Round clues (5 results returned)
| #8373, aired 2021-04-07 | DISCOVERIES IN SCIENCE $400: Lavoisier said he never got Scheele's 1774 letter about discovering this component of water, but it was found in his papers oxygen |
| #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 $1600: The Curies gave Paul Villard some radium & he discovered these very high-energy Greek-letter rays gamma rays |
| #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 |
Final Jeopardy! Round clues (0 results returned)
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