Paleontologist Makes "Game-Changing" Fossil Discovery
Clip: Season 46 Episode 17 | 1m 34s | Video has closed captioning.
At Corral Bluffs, Colorado, paleontologist Tyler Lyson discovers rare mammal fossils that paint a picture of the first million years after an asteroid killed the dinosaurs.
Aired: 10/30/19
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Problems Playing Video? | Closed Captioning