Favorite talks
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Peter Haas: Haiti's disaster of engineering
08:30 Posted: Oct 2010
Views: 181,840 | Comments: 73
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Chris Abani: On humanity
16:14 Posted: Jul 2008
Views: 412,067 | Comments: 118
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James Nachtwey: My photographs bear witness
21:56 Posted: Apr 2007
Views: 376,502 | Comments: 90
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Ken Robinson says schools kill creativity
19:24 Posted: Jun 2006
Views: 16,474,805 | Comments: 3001