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Your Inner Fish

Your Inner Fish

Episode 1 | 55m 11s

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Our arms, legs, necks and lungs were bequeathed to us by a fish that lumbered onto land some 375 million years ago. The genetic legacy of this creature can be seen today in our own DNA, including the genes used to build our hands and limbs.

Aired: 04/09/14 | Expires: 12/31/22 | Rating: NR

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