Favorite talks
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Brian Greene: Is our universe the only universe?
21:47 Posted: Apr 2012
Views: 1,269,625 | Comments: 633
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Bryan Stevenson: We need to talk about an injustice
23:41 Posted: Mar 2012
Views: 1,176,275 | Comments: 378
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Alain de Botton: Atheism 2.0
19:20 Posted: Jan 2012
Views: 1,305,801 | Comments: 1184
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Simon Lewis: Don't take consciousness for granted
22:17 Posted: Jul 2011
Views: 497,226 | Comments: 200
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Sean Carroll: Distant time and the hint of a multiverse
15:54 Posted: May 2011
Views: 735,710 | Comments: 268
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9/11 healing: The mothers who found forgiveness, friendship
09:54 Posted: May 2011
Views: 341,565 | Comments: 133
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David Christian: The history of our world in 18 minutes
17:40 Posted: Apr 2011
Views: 823,771 | Comments: 333
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Eythor Bender demos human exoskeletons
06:23 Posted: Mar 2011
Views: 642,357 | Comments: 213
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Hans Rosling: Asia's rise -- how and when
15:50 Posted: Nov 2009
Views: 1,078,493 | Comments: 261
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William Kamkwamba: How I harnessed the wind
05:59 Posted: Sep 2009
Views: 1,110,878 | Comments: 244