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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Anita Moorjani's Near Death Experience
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Amy Purdy - Living Beyond Limits
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Matthieu Ricard: The Habits of Happiness
What is happiness, and how can we all get some? In this video, Buddhist monk Matthieu Ricard discusses the habits of happiness.