TED 09: David Blaine held breath for 17 mins


TED 09: Barry Schwartz on our loss of wisdom


TED 10: Does the world need nuclear energy?


TED 10: Match class needs a makeover


TED 10: Planning for the end of oil


TED 09: My seven species of robot


TED 10: Gaming can make a better world


TED 08: Paul Collier on the "bottom billion"


TED 10: Music is medicine, music is sanity


TED 10: Bill Gates - Innovating to zero!