TEDTalks : Eric Mead: The magic of the placebo - Eric Mead (2009)

Sugar pills, injections of nothing -- studies show that, more often than you'd expect, placebos really work. At TEDMED, magician Eric Mead does a trick to prove that, even when you know something's not real, you can still react as powerfully as if it is. (Warning: This talk is not suitable for viewers who are disturbed by needles or blood.)

TEDTalks : Dan Barber: How I fell in love with a fish - Dan Barber (2010)

Chef Dan Barber squares off with a dilemma facing many chefs today: how to keep fish on the menu. With impeccable research and deadpan humor, he chronicles his pursuit of a sustainable fish he could love, and the foodie's honeymoon he's enjoyed since discovering an outrageously delicious fish raised using a revolutionary farming method in Spain.

TEDTalks : Gary Lauder's new traffic sign: Take Turns - Gary Lauder (2010)

Fifty percent of traffic accidents happen at intersections. Gary Lauder shares a brilliant and cheap idea for helping drivers move along smoothly: a new traffic sign that combines the properties of "Stop" and "Yield" -- and asks drivers to be polite.

TEDTalks : Tim Berners-Lee: The year open data went worldwide - Tim Berners-Lee (2010)

At TED2009, Tim Berners-Lee called for "raw data now" -- for governments, scientists and institutions to make their data openly available on the web. At TED University in 2010, he shows a few of the interesting results when the data gets linked up.

TEDTalks : The LXD: In the Internet age, dance evolves ... - The LXD (2010)

The LXD (the Legion of Extraordinary Dancers) electrify the TED2010 stage with an emerging global street-dance culture, revved up by the Internet. In a preview of Jon Chu’s upcoming Web series, this astonishing troupe show off their superpowers.