Favorite talks
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Play
Hadyn Parry: Re-engineering mosquitos to fight disease
13:57 Posted: Jan 2013
Views: 420,264 | Comments: 267
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Amy Purdy: Living beyond limits
09:37 Posted: Nov 2011
Views: 1,031,894 | Comments: 215
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Chimamanda Adichie: The danger of a single story
18:49 Posted: Oct 2009
Views: 4,151,053 | Comments: 760