Ai Weiwei: 'Life is never guaranteed to be safe'
Ai Weiwei, the Chinese artist who will soon take over Tate Modern's Turbine Hall, on why he wants to tell people that it's OK to speak out.
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Wayne Dyer's Leukemia & John of God's Healings on Wayne
Dr. Wayne Dyer Discusses his Leukemia & John of God's healings with Lilou Mace.
The Power of Affirmation (The EPOD Theory)
A live, high-energy presentation performed by Dave Yoho debunks the myth that good talkers make great salespeople. It shows how managers get salespeople to talk less, listen more, understand customers better, and - sell more.
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.
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.
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.