Favorite talks
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Ben Goldacre: Battling bad science
14:19 Posted: Sep 2011
Views: 1,237,101 | Comments: 267
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Salman Khan: Let's use video to reinvent education
20:27 Posted: Mar 2011
Views: 2,471,910 | Comments: 440
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Ken Robinson: Bring on the learning revolution!
16:48 Posted: May 2010
Views: 4,014,188 | Comments: 1100
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Ray Kurzweil: A university for the coming singularity
08:47 Posted: Jun 2009
Views: 632,386 | Comments: 132
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Ray Kurzweil: The accelerating power of technology
22:56 Posted: Nov 2006
Views: 1,193,938 | Comments: 175
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Michael Shermer: Why people believe weird things
13:25 Posted: Nov 2006
Views: 1,804,894 | Comments: 379
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Aubrey de Grey: A roadmap to end aging
22:45 Posted: Oct 2006
Views: 1,341,639 | Comments: 456