Feb. 29, 2012
Daniel Lieberman, professor of Human Evolutionary Biology at Harvard University, explains how closely connected our health is to our level of activity.
A woman in Cambridge is known to yell, "There goes Charlie in his Angels!" at Lieberman when he goes running. Watch the interview below to hear Lieberman talk about barefoot running, persistence hunting and why you shouldn't run with an iPod.
NOVA: Becoming Human
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