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Pushing limits with a fearless bionic man

Hugh Herr lost both legs and designed the world's most advanced prosthetics. CNN's Dr. Sanjay Gupta reports.

Mon Apr 02, 2012 @ 3:32:06 pm ET via Blog
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I’m a father of three, a practicing neurosurgeon, and a globe-trotting journalist. Join me as I go beyond the headlines, and offer insight to stories that shape the quality of life for you and your family. FULL BIO

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