Favorite talks
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Frans de Waal: Moral behavior in animals
16:52 Posted: Apr 2012
Views: 1,218,919 | Comments: 523
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Krista Tippett: Reconnecting with compassion
15:53 Posted: Feb 2011
Views: 245,676 | Comments: 72
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Michael Shermer: The pattern behind self-deception
19:01 Posted: Jun 2010
Views: 953,675 | Comments: 826
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Oliver Sacks: What hallucination reveals about our minds
18:48 Posted: Sep 2009
Views: 1,704,232 | Comments: 247
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Arthur Benjamin does "Mathemagic"
15:14 Posted: Dec 2007
Views: 4,942,363 | Comments: 371
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Steven Pinker: The surprising decline in violence
19:15 Posted: Sep 2007
Views: 1,230,633 | Comments: 504
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Ray Kurzweil: The accelerating power of technology
22:56 Posted: Nov 2006
Views: 1,195,006 | Comments: 175