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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Sunni Brown: Doodlers, Unite!
Studies show that sketching and doodling improve our comprehension -- and our creative thinking. So why do we still feel embarrassed when we're caught doodling in a meeting? Sunni Brown says: Doodlers, unite! She makes the case for unlocking your brain via pad and pen.
Defying Gravity
What happens in our brain when we view an optical illusion? The information gathered by the eye is processed in the brain to create an idea or image that does not match with a physical measurement of the stimulus source.
Noel Bairey Merz: The Single Biggest Health Threat Women Face
urprising, but true: More women now die of heart disease than men, yet cardiovascular research has long focused on men. Pioneering doctor C. Noel Bairey Merz shares what we know and don't know about women's heart health -- including the remarkably different symptoms women present during a heart attack (and why they're often missed).
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.
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.