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Your Inner Fish

Episode 2: Your Inner Reptile - Preview

Learn which parts of our bodies we’ve inherited from our reptilian ancestors.

Aired 04/15/2014 | Rating NR

Your Inner Fish

Episode 2: Your Inner Reptile - Preview

Preview: Episode 2 | 30s

Learn which parts of our bodies we’ve inherited from our reptilian ancestors.

"Your Inner Reptile" traces our hair, skin, teeth, jaws and sense of hearing back to reptilian ancestors — from ferocious beasts that ruled the Earth to a little shrew-like animal that lived 195 million years ago.

Aired 04/15/2014 | Rating NR

Amazing Places, Amazing Fossils: Tritheledont

Neil Shubin finds a tiny fossil that represents an important time in our evolution. (4m 5s)

The Evolution of Your Teeth

Your teeth can be traced back to reptile-like ancestors who ruled the earth. (2m 51s)

We Hear with the Bones that Reptiles Eat With

Opossums and fossils provide evidence for the evolution of our ears. (4m 10s)

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