Favorite talks
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Bruce Schneier: The security mirage
21:05 Posted: Apr 2011
Views: 388,602 | Comments: 59
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David Christian: The history of our world in 18 minutes
17:40 Posted: Apr 2011
Views: 798,717 | Comments: 331
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Hans Rosling: Asia's rise -- how and when
15:50 Posted: Nov 2009
Views: 1,062,851 | Comments: 261
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David Logan: Tribal leadership
16:39 Posted: Oct 2009
Views: 542,076 | Comments: 227
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Steve Truglia: A leap from the edge of space
14:30 Posted: Sep 2009
Views: 286,714 | Comments: 59
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George Smoot: The design of the universe
19:00 Posted: Nov 2008
Views: 609,694 | Comments: 231
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Jared Diamond on why societies collapse
18:21 Posted: Oct 2008
Views: 676,801 | Comments: 177
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Garrett Lisi: An 8-dimensional model of the universe
21:26 Posted: Oct 2008
Views: 909,126 | Comments: 239
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Kwabena Boahen on a computer that works like the brain
16:22 Posted: Jul 2008
Views: 303,710 | Comments: 83
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Brian Greene: Making sense of string theory
19:06 Posted: Apr 2008
Views: 1,878,673 | Comments: 446