Scientists have been discovering original dinosaur proteins for decades. Upon cracking open the unearthed bones, scientists have found osteocytes, collagen, and other biological materials that give us clues about dinosaur skin color. How do these discoveries transform the way scientists view Earth history?
Other episodes in this series:
Rocks, Ice Cores, and Bill Nye
Mutation Rates Debunk Human Evolution Story
Where Did All the People Come From?
Saturn, Enceladus, and Blue Stars
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