Favorite talks
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Juan Enriquez: Will our kids be a different species?
16:48 Posted: Jun 2012
Views: 1,179,994 | Comments: 385
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William Noel: Revealing the lost codex of Archimedes
14:53 Posted: May 2012
Views: 408,546 | Comments: 93
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Paddy Ashdown: The global power shift
18:29 Posted: Jan 2012
Views: 755,461 | Comments: 246
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David Christian: The history of our world in 18 minutes
17:40 Posted: Apr 2011
Views: 796,177 | Comments: 331