Your Inner Fish

Your Inner Reptile

Episode 2 | 54m 46s

A key moment in our evolutionary saga occurred 200 million years ago, when the ferocious reptile-like animals that roamed the Earth were in the process of evolving into shrew-like mammals. But our reptilian ancestors left their mark on many parts of the human body, including our skin, teeth and ears.

Aired: 04/16/14

Expired: 06/29/14

Rating: NR

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