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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Humpback Whale Shows AMAZING Appreciation After Being Freed From Nets
Michael Fishbach, co-founder of The Great Whale Conservancy (GWC), narrates his encounter with a young humpback whale entangled in local fishing nets.
Brene Brown: The Power of Vulnerability
Brene Brown studies human connection -- our ability to empathize, belong, love. In a poignant, funny talk at TEDxHouston, she shares a deep insight from her research, one that sent her on a personal quest to know herself as well as to understand humanity. A talk to share.
Ramona Pierson: An Unexpected Place of Healing
When Ramona Pierson was 22, she was hit by a drunk driver and spent 18 months in a coma. At TEDxDU she tells the remarkable story of her recovery -- drawing on the collective skills and wisdom of a senior citizens' home.
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.
Diana Nyad: What will YOU do with your wild, precious life?
Diana Nyad set long-distance swim records that are still unbroken. Thirty years later, at 60, she attempted her longest swim yet, from Cuba to Florida. In this funny, powerful talk at TEDMED, she talks about how to prepare mentally to achieve an extreme dream, and asks: What will YOU do with your wild, precious life?