Favorite talks
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James Hansen: Why I must speak out about climate change
17:51 Posted: Mar 2012
Views: 680,807 | Comments: 735
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Bryan Stevenson: We need to talk about an injustice
23:41 Posted: Mar 2012
Views: 1,147,984 | Comments: 375
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Susan Cain: The power of introverts
19:04 Posted: Mar 2012
Views: 4,393,532 | Comments: 741
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Paul Gilding: The Earth is full
16:46 Posted: Feb 2012
Views: 805,062 | Comments: 758
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Luis von Ahn: Massive-scale online collaboration
16:39 Posted: Dec 2011
Views: 1,301,832 | Comments: 248
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Sarah Kay: How many lives can you live?
12:23 Posted: Dec 2011
Views: 627,680 | Comments: 160
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Ron Gutman: The hidden power of smiling
07:26 Posted: May 2011
Views: 1,505,859 | Comments: 209
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Sarah Kay: If I should have a daughter ...
18:28 Posted: Mar 2011
Views: 2,669,863 | Comments: 491
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John Hardy: My green school dream
13:35 Posted: Nov 2010
Views: 654,267 | Comments: 288
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Ken Robinson: Bring on the learning revolution!
16:48 Posted: May 2010
Views: 3,997,995 | Comments: 1098