Favorite talks
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Frans de Waal: Moral behavior in animals
16:52 Posted: Apr 2012
Views: 1,216,027 | Comments: 523
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Alexander Tsiaras: Conception to birth -- visualized
09:37 Posted: Nov 2011
Views: 2,293,102 | Comments: 444
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Nic Marks: The Happy Planet Index
16:49 Posted: Aug 2010
Views: 708,977 | Comments: 381
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Kary Mullis celebrates the experiment
29:32 Posted: Jan 2009
Views: 321,976 | Comments: 108
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Steven Pinker: Human nature and the blank slate
22:42 Posted: Sep 2008
Views: 485,347 | Comments: 94
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Susan Blackmore: Memes and "temes"
19:28 Posted: Jun 2008
Views: 500,261 | Comments: 319
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Paul Stamets: 6 ways mushrooms can save the world
17:44 Posted: May 2008
Views: 1,614,960 | Comments: 282
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Stephen Hawking: Questioning the universe
10:12 Posted: Apr 2008
Views: 1,519,060 | Comments: 417
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Dan Dennett: Dangerous memes
15:26 Posted: Jul 2007
Views: 868,852 | Comments: 343
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Richard Dawkins: Militant atheism
29:10 Posted: Apr 2007
Views: 2,005,623 | Comments: 5844