Favorite talks
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Yann Arthus-Bertrand captures fragile Earth in wide-angle
14:54 Posted: Jun 2009
Views: 428,209 | Comments: 129
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Mary Roach: 10 things you didn't know about orgasm
16:43 Posted: May 2009
Views: 3,453,304 | Comments: 259
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Bonnie Bassler: How bacteria "talk"
18:14 Posted: Apr 2009
Views: 1,211,872 | Comments: 354
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Elizabeth Gilbert: Your elusive creative genius
19:28 Posted: Feb 2009
Views: 5,236,539 | Comments: 1167
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Billy Graham on technology and faith
26:20 Posted: Jul 2008
Views: 472,019 | Comments: 700
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Jill Bolte Taylor's stroke of insight
18:44 Posted: Mar 2008
Views: 11,089,610 | Comments: 2460
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Arthur Benjamin does "Mathemagic"
15:14 Posted: Dec 2007
Views: 4,943,787 | Comments: 371
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Richard Dawkins: Militant atheism
29:10 Posted: Apr 2007
Views: 2,009,665 | Comments: 5844
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Wade Davis: Dreams from endangered cultures
22:01 Posted: Jan 2007
Views: 977,882 | Comments: 293
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Richard St. John's 8 secrets of success
03:30 Posted: Dec 2006
Views: 4,236,088 | Comments: 368