Favorite talks
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Play
Matt Ridley: When ideas have sex
16:26 Posted: Jul 2010
Views: 2,247,437 | Comments: 441
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Play
Sam Harris: Science can answer moral questions
23:06 Posted: Mar 2010
Views: 1,356,917 | Comments: 2646
Play
16:26 Posted: Jul 2010
Views: 2,247,437 | Comments: 441
Play
23:06 Posted: Mar 2010
Views: 1,356,917 | Comments: 2646