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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Louie Schwartzberg: Nature. Beauty. Gratitude.
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Brene Brown: The Power of Vulnerability
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The Psychology of Your Future Self - Video by Dan Gilbert
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Mary Roach: 10 Things You Didn't Know About Orgasm
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