Favorite talks
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Nicholas Christakis: The hidden influence of social networks
20:59 Posted: May 2010
Views: 813,590 | Comments: 253
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Aimee Mullins: The opportunity of adversity
21:58 Posted: Feb 2010
Views: 800,888 | Comments: 233
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Jacqueline Novogratz on escaping poverty
07:30 Posted: Mar 2009
Views: 426,143 | Comments: 68
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Steven Pinker: The surprising decline in violence
19:15 Posted: Sep 2007
Views: 1,232,039 | Comments: 504
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Hans Rosling: New insights on poverty
18:57 Posted: Jun 2007
Views: 2,162,126 | Comments: 221
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Dan Dennett: The illusion of consciousness
21:48 Posted: Apr 2007
Views: 1,297,463 | Comments: 337
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Robert Wright: The logic of non-zero-sum progress
19:11 Posted: Jan 2007
Views: 517,251 | Comments: 106