Favorite talks
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Play
Alain de Botton: Atheism 2.0
19:20 Posted: Jan 2012
Views: 1,305,706 | Comments: 1184
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Edward Tenner: Unintended consequences
16:10 Posted: Sep 2011
Views: 411,287 | Comments: 77
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Jared Diamond on why societies collapse
18:21 Posted: Oct 2008
Views: 687,960 | Comments: 179