Favorite talks
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Birke Baehr: What's wrong with our food system
05:14 Posted: Nov 2010
Views: 1,264,226 | Comments: 614
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Auret van Heerden: Making global labor fair
17:46 Posted: Nov 2010
Views: 259,289 | Comments: 126
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Eben Bayer: Are mushrooms the new plastic?
09:05 Posted: Oct 2010
Views: 675,811 | Comments: 230
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William Li: Can we eat to starve cancer?
20:02 Posted: May 2010
Views: 2,284,351 | Comments: 489
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Jill Bolte Taylor's stroke of insight
18:44 Posted: Mar 2008
Views: 11,233,350 | Comments: 2479