TED Community » Sandy Machado

Favorite talks

Play

Pavan Sukhdev: Put a value on nature!

16:31 Posted: Dec 2011

Views: 505,521 | Comments: 139

Rated: Informative Persuasive …
Play

Erin McKean: The joy of lexicography

15:50 Posted: Aug 2007

Views: 480,174 | Comments: 132

Rated: Funny Informative …