Favorite talks
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Luis von Ahn: Massive-scale online collaboration
16:39 Posted: Dec 2011
Views: 1,301,696 | Comments: 248
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Iain McGilchrist: The divided brain
11:48 Posted: Oct 2011
Views: 1,098,806 | Comments: 216
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William Kamkwamba: How I harnessed the wind
05:59 Posted: Sep 2009
Views: 1,092,770 | Comments: 244
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Emmanuel Jal: The music of a war child
18:03 Posted: Aug 2009
Views: 319,435 | Comments: 198
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Frans Lanting: The story of life in photographs
16:17 Posted: Apr 2007
Views: 557,141 | Comments: 124