Favorite talks
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Skylar Tibbits: The emergence of "4D printing"
08:22 Posted: Apr 2013
Views: 496,584 | Comments: 169
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Ken Robinson: Bring on the learning revolution!
16:48 Posted: May 2010
Views: 4,019,221 | Comments: 1102
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Brian Greene: Making sense of string theory
19:06 Posted: Apr 2008
Views: 1,878,868 | Comments: 446
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Jill Bolte Taylor's stroke of insight
18:44 Posted: Mar 2008
Views: 11,083,473 | Comments: 2460
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Martin Rees asks: Is this our final century?
17:26 Posted: Jan 2007
Views: 662,781 | Comments: 153