Favorite talks
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Bryan Stevenson: We need to talk about an injustice
23:41 Posted: Mar 2012
Views: 1,148,503 | Comments: 375
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Angela Belcher: Using nature to grow batteries
10:25 Posted: Apr 2011
Views: 438,195 | Comments: 126
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Tim Jackson: An economic reality check
20:23 Posted: Oct 2010
Views: 595,976 | Comments: 356
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Eben Bayer: Are mushrooms the new plastic?
09:05 Posted: Oct 2010
Views: 662,854 | Comments: 225
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Sugata Mitra: The child-driven education
17:13 Posted: Sep 2010
Views: 1,414,150 | Comments: 466
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Jason Clay: How big brands can help save biodiversity
19:29 Posted: Aug 2010
Views: 254,609 | Comments: 161
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Marian Bantjes: Intricate beauty by design
16:28 Posted: Jun 2010
Views: 346,708 | Comments: 128
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Brian Skerry reveals ocean's glory -- and horror
16:13 Posted: Jun 2010
Views: 630,739 | Comments: 307
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Enric Sala: Glimpses of a pristine ocean
19:55 Posted: May 2010
Views: 177,932 | Comments: 95
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Dan Barber: How I fell in love with a fish
19:02 Posted: Mar 2010
Views: 816,313 | Comments: 259