Favorite talks
-
Play
Josette Sheeran: Ending hunger now
19:10 Posted: Jul 2011
Views: 929,459 | Comments: 154
-
Play
Bruce Schneier: The security mirage
21:05 Posted: Apr 2011
Views: 387,880 | Comments: 59
-
Play
Salman Khan: Let's use video to reinvent education
20:27 Posted: Mar 2011
Views: 2,461,625 | Comments: 440
-
Play
Reviving New York's rivers -- with oysters!
10:07 Posted: Jan 2011
Views: 191,457 | Comments: 73
-
Play
Amber Case: We are all cyborgs now
07:53 Posted: Jan 2011
Views: 689,498 | Comments: 221
-
Play
Brené Brown: The power of vulnerability
20:19 Posted: Dec 2010
Views: 9,376,299 | Comments: 1241
-
Play
Tan Le: A headset that reads your brainwaves
10:36 Posted: Jul 2010
Views: 1,313,744 | Comments: 538
-
Play
Sarah Jones as a one-woman global village
21:00 Posted: Apr 2009
Views: 314,901 | Comments: 90
-
Play
Juan Enriquez: The next species of human
18:50 Posted: Feb 2009
Views: 1,678,144 | Comments: 315
-
Play
Carolyn Porco: This is Saturn
17:09 Posted: Oct 2007
Views: 868,655 | Comments: 200