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Your Inner Fish | Episode | Your Inner Reptile

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.

S1 E2 | 0:54:46 | AIRED: 4/16/2014 | EXPIRES: 12/31/2020 |
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