Notebook: Human Body

By: CBS

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Uploaded on September 09, 2012 by CBS

During evolution, the human body has underwent plenty of changes, from foot size to brain size. As some human changes helped us, some haven't. Katie Couric comments.

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Cbsepisode, Katie Couric, Notebooks, Human, Body, Evolution, Evolving, CBS, Evening, News, CBS Evening News, Entertainment

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