Favorite talks
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Play
Brian Greene: Is our universe the only universe?
21:47 Posted: Apr 2012
Views: 1,239,358 | Comments: 630
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Peter van Uhm: Why I chose a gun
17:10 Posted: Jan 2012
Views: 853,729 | Comments: 561
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Mikko Hypponen: Three types of online attack
09:23 Posted: Jan 2012
Views: 560,816 | Comments: 99
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David Christian: The history of our world in 18 minutes
17:40 Posted: Apr 2011
Views: 798,781 | Comments: 331
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Jane McGonigal: Gaming can make a better world
20:03 Posted: Mar 2010
Views: 3,043,962 | Comments: 1156