Sean Carroll: Distant Time and the Hint of a Multiverse
At TEDxCaltech, cosmologist Sean Carroll attacks -- in an entertaining and thought-provoking tour through the nature of time and the universe -- a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view of the nature of the universe, and our place in it.
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Jon Ronson: Strange Answers to the Psychopath Test
Is there a definitive line that divides crazy from sane? With a hair-raising delivery, Jon Ronson, author of The Psychopath Test, illuminates the gray areas between the two.
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?
Einstein the Parrot: Talking and Squawking
This whimsical wrap-up of TED2006 -- presented by Einstein, the African grey parrot, and her trainer, Stephanie White -- simply tickles. Watch for Einstein's moment with Al Gore.
True Humanity At Its Finest
When this autistic man started having trouble singing the national anthem, something happened that could bring you to tears. What an amazing display of humanity. It's great to see that there is still goodness in the world.
Shawn Reeder Yosemite Range of Light
Yosemite National Park, the High Sierra, and the Eastern Sierra are some of the most beautiful places on earth.