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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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Cameron Russell: Looks Aren't Everything. Believe Me, I'm a Model.

Cameron Russell: Looks Aren't Everything. Believe Me, I'm a Model.

In this fearless talk, Model Cameron Russell takes a wry look at the industry that had her looking highly seductive at barely 16-years-old.

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Ron Gutman: The Hidden Power of Smiling

Ron Gutman: The Hidden Power of Smiling

Ron Gutman reviews a raft of studies about smiling, and reveals some surprising results. Did you know your smile can be a predictor of how long you'll live -- and that a simple smile has a measurable effect on your overall well-being? Prepare to flex a few facial muscles as you learn more about this evolutionarily contagious behavior.

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Living Goddess - Zeffi Kefala

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Zeffi Kefala is a native Greek who has been living in the U.S. for the past twenty-four years. At the age of nine, she was able to read cards for her mother's friends and things would occur that she predicted - but for her at the time it was all in fun. Her life would take many turns before coming back to her gifts.

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Amy Webb: How I Hacked Online Dating

Amy Webb: How I Hacked Online Dating

Amy Webb explains how she sought her true love online. This video is informative, funny, sad, and, may even end happily ever after.

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Seth Shostak: ET is (Probably) Out There -- Get Ready

Seth Shostak: ET is (Probably) Out There -- Get Ready

Dr. Seth Shostak participates in the search for extraterrestrial life at the SETI Institute. He believes ET is out there, and there is a good chance we will discover him soon.

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