Favorite talks
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Sheryl Sandberg: Why we have too few women leaders
14:58 Posted: Dec 2010
Views: 2,584,734 | Comments: 579
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Dianna Cohen: Tough truths about plastic pollution
05:18 Posted: Oct 2010
Views: 380,409 | Comments: 231
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Sam Harris: Science can answer moral questions
23:06 Posted: Mar 2010
Views: 1,356,747 | Comments: 2646
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Bill Gates on energy: Innovating to zero!
27:49 Posted: Feb 2010
Views: 1,568,751 | Comments: 864
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Al Gore warns on latest climate trends
07:44 Posted: May 2009
Views: 455,492 | Comments: 830
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Pattie Maes and Pranav Mistry demo SixthSense
08:42 Posted: Mar 2009
Views: 7,016,638 | Comments: 672
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Al Gore: New thinking on the climate crisis
27:54 Posted: Apr 2008
Views: 948,381 | Comments: 571
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Al Gore: Averting the climate crisis
16:17 Posted: Jun 2006
Views: 1,640,318 | Comments: 229