Favorite talks
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Jessica Jackley: Poverty, money -- and love
18:33 Posted: Oct 2010
Views: 756,838 | Comments: 693
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James Randi: Homeopathy, quackery and fraud
17:19 Posted: Apr 2010
Views: 1,094,541 | Comments: 1409
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Ngozi Okonjo-Iweala on aid versus trade
22:10 Posted: Jul 2007
Views: 275,527 | Comments: 99
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Richard Dawkins: Militant atheism
29:10 Posted: Apr 2007
Views: 2,027,173 | Comments: 5856
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Jane Goodall: What separates us from chimpanzees?
27:25 Posted: Apr 2007
Views: 574,004 | Comments: 125
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Michael Shermer: Why people believe weird things
13:25 Posted: Nov 2006
Views: 1,823,959 | Comments: 379