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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.


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Global Warming - Can We Risk It?

A new way to think about the climate change debate, with over 13 million total views on various postings.

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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.

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Dealing with Ups and Downs: Another Way to Look at It!

In this video Christine Eilvig, founder of The Spiritual Salon, discusses way to build a life you will love.

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Dyan deNapoli: The Great Penguin Rescue

A personal story, a collective triumph: Dyan deNapoli tells the story of the world's largest volunteer animal rescue, which saved more than 40,000 penguins after an oil spill off the coast of South Africa. How does a job this big get done? Penguin by penguin by penguin ...

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Van Gogh's Starry Night Comes Alive

A try to visualize the flow of the famous painting "Starry Night" of Vincent Van Gogh. The user can interact with the animation. Also, the sound responds to the flow.

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