Favorite talks
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Marco Tempest: A cyber-magic card trick like no other
06:35 Posted: Oct 2012
Views: 1,146,396 | Comments: 94
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Jane McGonigal: The game that can give you 10 extra years of life
19:30 Posted: Jul 2012
Views: 1,802,017 | Comments: 400
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Arthur Benjamin does "Mathemagic"
15:14 Posted: Dec 2007
Views: 4,935,998 | Comments: 370