Favorite talks
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Bill Gates: Mosquitos, malaria and education
20:16 Posted: Feb 2009
Views: 1,412,036 | Comments: 435
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Jane Goodall helps humans and animals live together
23:46 Posted: Sep 2008
Views: 268,126 | Comments: 49
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Jill Bolte Taylor's stroke of insight
18:44 Posted: Mar 2008
Views: 11,234,964 | Comments: 2479
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Wade Davis: Dreams from endangered cultures
22:01 Posted: Jan 2007
Views: 993,391 | Comments: 294