Phil Plait: How to Defend Earth From Asteroids
What's six miles wide and can end civilization in an instant? An asteroid - and there are lots of them out there. With humor and great visuals, Phil Plait enthralls the TEDxBoulder audience with all the ways asteroids can kill, and what we must do to avoid them.
Other Videos That May Interest You:
Tierney Thys Swims with the Giant Sunfish
Marine biologist Tierney Thys asks us to step into the water to visit the world of the Mola mola, or giant ocean sunfish. Basking, eating jellyfish and getting massages, this behemoth offers clues to life in the open sea.
Ric Elias: 3 Things I Learned While My Plane Crashed
Ric Elias had a front-row seat on Flight 1549, the plane that crash-landed in the Hudson River in New York in January 2009. What went through his mind as the doomed plane went down? At TED, he tells his story publicly for the first time.
Space Painter
Creation of a distant world.
Tony Robbins: Why We Do What We Do, and How We Can Do It Better
Tony Robbins discusses the "invisible forces" that make us do what we do -- and high-fives Al Gore in the front row.
Julian Baggini - Is There A Real You?
One of the best known philosophers in the UK, Julian will ask the question 'Is There A Real You? He will draw on the research supporting his latest book 'The Ego Trick' and challenge our audience to reflect on their understanding of the 'Self'.