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    Man With Bionic Leg to Climb Chicago Skyscraper

    AP-Tech

    by AP-Tech

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    Zac Vawter considers himself a test pilot. After losing his right leg in a motorcycle accident, the 31-year-old signed up to become a research subject, helping to test a trailblazing prosthetic leg that's controlled by his thoughts. (Oct. 31)

    Copyright 2012 The Associated Press