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2:24
See just how much your brain has in common with a fish brain.
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1:59
Teeth are an incredbily important tool for understanding how an animal lives.
Extended Interview: Tim White
6:47
Tim White gives an overview of the discovery of a hominid fossil known as Ardi.
Your Aching Back: A Gift from Your Ancient Ancestors
2:52
As Bruce Latimer explains, our evolutionary history has some consequences for our back.
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