Favorite talks
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Play
Brian Greene: Is our universe the only universe?
21:47 Posted: Apr 2012
Views: 1,232,987 | Comments: 620
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Play
Paul Zak: Trust, morality -- and oxytocin?
16:34 Posted: Nov 2011
Views: 1,086,054 | Comments: 337
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Daniel Tammet: Different ways of knowing
10:53 Posted: Jun 2011
Views: 756,704 | Comments: 202
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Sam Richards: A radical experiment in empathy
18:07 Posted: Apr 2011
Views: 771,548 | Comments: 406