Favorite talks
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Scott Rickard: The beautiful math behind the ugliest music
09:46 Posted: Jan 2012
Views: 396,387 | Comments: 165
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John Hardy: My green school dream
13:35 Posted: Nov 2010
Views: 668,552 | Comments: 289
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Simon Sinek: How great leaders inspire action
18:04 Posted: May 2010
Views: 11,098,565 | Comments: 1178
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Chimamanda Adichie: The danger of a single story
18:49 Posted: Oct 2009
Views: 4,257,930 | Comments: 774
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Brian Cox: CERN's supercollider
14:59 Posted: Apr 2008
Views: 1,207,148 | Comments: 258