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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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The True Cost of Oil: Garth Lenz

The True Cost of Oil: Garth Lenz

What does environmental devastation actually look like? At TEDxVictoria, photographer Garth Lenz shares shocking photos of the Alberta Tar Sands mining project -- and the beautiful (and vital) ecosystems under threat.

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We Create the Drama & the Beauty - Miguel Ruiz, The Four Agreements (15th Anniversary)

We Create the Drama & the Beauty - Miguel Ruiz, The Four Agreements (15th Anniversary)

Use the word to tell yourself how wonderful you are, how great you are. Tell yourself how much you love yourself.

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Brene Brown: Listening to Shame

Brene Brown: Listening to Shame

Shame is an unspoken epidemic, the secret behind many forms of broken behavior. Brene Brown, whose earlier talk on vulnerability became a viral hit, explores what can happen when people confront their shame head-on. Her own humor, humanity and vulnerability shine through every word.

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BOATLIFT, An Amazing Tale of 9/11 Resilience

BOATLIFT, An Amazing Tale of 9/11 Resilience

As the World Trade Center buildings burned and collapsed on September 11, 2001, a half million people were evacuated from Lower Manhattan by a civilian flotilla of ferries, tug boats and other vessels in what became the largest boatlift in history. BOATLIFT - An Untold Tale of 9/11 Resilience, is a touching tribute to that effort.

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Religion, Evolution and Self Ascendency: Why Good People are Divided by Politics and Religion

Religion, Evolution and Self Ascendency: Why Good People are Divided by Politics and Religion

Psychologist Jonathan Haidt asks a simple, but difficult question: why do we search for self-transcendence? Why do we attempt to lose ourselves? In a tour through the science of evolution by group selection, he proposes a provocative answer.

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