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Casey (Britt Robertson) experiences a fantastic futuristic world in Tomorrowland. Disney hide caption

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National Geographic writer and explorer Dan Buettner studies the world's longest-lived peoples and their lifestyles. Courtesy TEDxTC hide caption

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"Things that only have a 50% chance of happening 20 years from now are supposed to sound like science fiction." - Aubrey de Grey Robert Leslie/TED hide caption

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TED Radio Hour

Aubrey de Grey: Can Aging Be Cured?

Cambridge researcher Aubrey de Grey argues that aging is merely a disease — and a curable one at that.

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Librarian Nancy Pearl shares her selections of under-the-radar books that you may have missed. Emily Bogle/NPR hide caption

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