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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Pamela Meyer: How to Spot a Liar
On any given day we're lied to from 10 to 200 times, and the clues to detect those lie can be subtle and counter-intuitive. Pamela Meyer, author of Liespotting, shows the manners and "hotspots" used by those trained to recognize deception -- and she argues honesty is a value worth preserving.
Bryan Stevenson: We Need to Talk About an Injustice
In an engaging and personal talk -- with cameo appearances from his grandmother and Rosa Parks -- human rights lawyer Bryan Stevenson shares some hard truths about America's justice system, starting with a massive imbalance along racial lines: a third of the country's black male population has been incarcerated at some point in their lives.
Faith Jegede: What I've Learned From My Autistic Brothers
In this video, Faith Jegede tells the moving and funny story of growing up with her two brothers, both autistic.
Tony Robbins: Why We Do What We Do, and How We Can Do It Better
Tony Robbins discusses the "invisible forces" that make us do what we do -- and high-fives Al Gore in the front row.
Anita Moorjani's Near Death Experience
This is a video interview of Anita Moorjani that recounts her near death experience.