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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James Hansen: Why I Must Speak Out About Climate Change
Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply worried about the future.
AJ Jacobs: How Healthy Living Nearly Killed Me
For a full year, AJ Jacobs followed every piece of health advice he could -- from applying sunscreen by the shotglass to wearing a bicycle helmet while shopping. Onstage at TEDMED, he shares the surprising things he learned.
The Adventures of a Cardboard Box
This short film tells the story of a boy who meets and befriends a large cardboard box, and was shot on a Nokia N8.
Space Painter
Creation of a distant world.
The Infinite Game: How to Lead in the 21st Century
Simon Sinek joins the How To: Academy to present his latest insights on The Infinite Game. Simon explains how adopting an infinite mindset is necessary for leaders who want to build stronger, more innovative and more inspiring organizations.