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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David Letterman taped his final Late Show with David Letterman on Wednesday. Jeffrey R. Staab/CBS via AP hide caption

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The famous chariot race in Ben-Hur was filmed on a movie set at Cinecittà in 1958. AP hide caption

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