Favorite talks
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Play
Richard Feynman: Physics is fun to imagine
65:55 Posted: Mar 2010
Views: 434,784 | Comments: 134
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David Deutsch: A new way to explain explanation
16:38 Posted: Oct 2009
Views: 396,087 | Comments: 243
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Ken Robinson says schools kill creativity
19:24 Posted: Jun 2006
Views: 16,567,392 | Comments: 3006