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Animals Are Older Than We Thought

Season 6 Episode 13

About the Episode

What are animal-like fossils doing in rocks a billion years old, and what does that mean for our understanding of their evolution and geologic time itself? Turns out, there might've been a long, slow-burning fuse that ultimately ignited the Cambrian Explosion.

Aired: 02/05/24 | Expires: | Runtime: 11m 57s
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