Favorite talks
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How simple ideas lead to scientific discoveries
07:32 Posted: Mar 2012
Views: 999,453 | Comments: 112
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Garth Lenz: The true cost of oil
17:40 Posted: Feb 2012
Views: 640,863 | Comments: 617
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Erik Johansson: Impossible photography
06:21 Posted: Feb 2012
Views: 964,418 | Comments: 88
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Nancy Duarte: The secret structure of great talks
18:09 Posted: Feb 2012
Views: 691,579 | Comments: 214