Favorite talks
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Dan Pallotta: The way we think about charity is dead wrong
18:54 Posted: Mar 2013
Views: 1,698,283 | Comments: 1071
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Tristram Stuart: The global food waste scandal
14:15 Posted: Sep 2012
Views: 663,550 | Comments: 162
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Anil Ananthaswamy: What it takes to do extreme astrophysics
14:08 Posted: Apr 2011
Views: 280,204 | Comments: 67
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Kathryn Schulz: On being wrong
17:51 Posted: Apr 2011
Views: 1,369,751 | Comments: 359
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Sam Richards: A radical experiment in empathy
18:07 Posted: Apr 2011
Views: 770,343 | Comments: 406
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Dave Meslin: The antidote to apathy
07:05 Posted: Apr 2011
Views: 963,685 | Comments: 210
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David Christian: The history of our world in 18 minutes
17:40 Posted: Apr 2011
Views: 793,941 | Comments: 331
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Joseph Nye on global power shifts
18:15 Posted: Oct 2010
Views: 471,921 | Comments: 253
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Peter Eigen: How to expose the corrupt
17:01 Posted: Feb 2010
Views: 348,309 | Comments: 165
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Bruce Bueno de Mesquita predicts Iran's future
19:05 Posted: Apr 2009
Views: 436,797 | Comments: 237