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December 17th, 2009
Web-Exclusive Video: Running = Big Brains?

Which came first – the running or the brain? Harvard University anthropologist Dan Lieberman explains to Alan Alda that it was early humans’ unique mode of running that allowed them to successfully hunt large game. And that reliable source of protein is what then allowed humans to evolve larger and more complex brains. Watch this exclusive web video to learn more.

Could you run a deer or a horse to exhaustion in this kind of endurance test? Dan Lieberman says you can.

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