20151120_ted_01.mp3?orgId=1&topicId=1007&p=57&story=455904655&t=progseg&e=455904076&seg=1&ft=nprml&f=455904655

Part 1 of the TED Radio Hour episode Adaptation

About Christopher McDougall's TED Talk

Christopher McDougall explores the mysteries of the human instinct to run: How did endurance help early humans survive, and what urges from our ancient ancestors spur us on today?

About Christopher McDougall

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