Favorite talks
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David Anderson: Your brain is more than a bag of chemicals
15:25 Posted: Mar 2013
Views: 451,735 | Comments: 180
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Afra Raymond: Three myths about corruption
18:09 Posted: Feb 2013
Views: 378,762 | Comments: 144
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Melinda Gates: Let's put birth control back on the agenda
25:27 Posted: Apr 2012
Views: 458,424 | Comments: 574
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Jonathan Foley: The other inconvenient truth
17:46 Posted: Apr 2012
Views: 476,130 | Comments: 387
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Paul Gilding: The Earth is full
16:46 Posted: Feb 2012
Views: 818,197 | Comments: 759
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Mike Biddle: We can recycle plastic
10:58 Posted: Oct 2011
Views: 767,325 | Comments: 273
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Ben Goldacre: Battling bad science
14:19 Posted: Sep 2011
Views: 1,262,672 | Comments: 267
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Salman Khan: Let's use video to reinvent education
20:27 Posted: Mar 2011
Views: 2,575,510 | Comments: 443
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Christopher McDougall: Are we born to run?
15:52 Posted: Feb 2011
Views: 1,169,546 | Comments: 314
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Naomi Klein: Addicted to risk
19:49 Posted: Jan 2011
Views: 533,080 | Comments: 328