20141024_ted_02.mp3?orgId=1&topicId=1136&p=57&story=357837972&t=progseg&e=357837221&seg=2&ft=nprml&f=357837972
Part 2 of the TED Radio Hour episode How It All Began.
About David Christian's TED Talk
David Christian explains the history of the universe from the big bang, and how humans occupy little more than a millisecond on that cosmic timeline.
About David Christian
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