Favorite talks
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Joe Smith: How to use a paper towel
04:31 Posted: Apr 2012
Views: 1,317,270 | Comments: 321
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Brian Greene: Is our universe the only universe?
21:47 Posted: Apr 2012
Views: 1,231,296 | Comments: 620
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Justin Hall-Tipping: Freeing energy from the grid
12:45 Posted: Oct 2011
Views: 936,693 | Comments: 289
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What we learned from 5 million books
14:08 Posted: Sep 2011
Views: 1,241,140 | Comments: 169
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Lucianne Walkowicz: Finding planets around other stars
04:24 Posted: Aug 2011
Views: 528,426 | Comments: 129
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Jeremy Gilley: One day of peace
17:41 Posted: Aug 2011
Views: 700,593 | Comments: 301
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Maajid Nawaz: A global culture to fight extremism
17:53 Posted: Jul 2011
Views: 345,378 | Comments: 145
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Anil Ananthaswamy: What it takes to do extreme astrophysics
14:08 Posted: Apr 2011
Views: 279,486 | Comments: 67
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David Christian: The history of our world in 18 minutes
17:40 Posted: Apr 2011
Views: 793,605 | Comments: 331
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Anthony Atala: Printing a human kidney
17:24 Posted: Mar 2011
Views: 951,691 | Comments: 178