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.
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In this video Christine Eilvig, founder of The Spiritual Salon, discusses way to build a life you will love.Daniel Goldstein: The Battle Between Your Present and Future Self
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