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!