Favorite talks
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Nicholas Christakis: The hidden influence of social networks
20:59 Posted: May 2010
Views: 604,437 | Comments: 244
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Sam Harris: Science can answer moral questions
23:06 Posted: Mar 2010
Views: 1,052,039 | Comments: 2882
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Richard Dawkins on militant atheism
29:10 Posted: Apr 2007
Views: 1,644,071 | Comments: 5949
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Martin Rees asks: Is this our final century?
17:26 Posted: Jan 2007
Views: 551,849 | Comments: 134
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Robert Wright on optimism
19:11 Posted: Jan 2007
Views: 437,782 | Comments: 89
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Dan Gilbert asks, Why are we happy?
21:16 Posted: Sep 2006
Views: 3,532,597 | Comments: 539