(CNN) — Amy Pietrafitta has learned to walk seven times. First was as a child and then after an industrial burn led to the amputation of her left leg in 2018. Since then, she’s had “first steps” in ...

Scientists are testing the the first bionic leg fully controlled by the human nervous system to demonstrate natural walking speeds and gait patterns. (CNN) — Amy Pietrafitta has learned to walk seven ...

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Zac Vawter made history this past weekend by climbing the 103-story Willis Tower in Chicago with a mind-controlled bionic leg. The robotic leg was developed by a team lead by the Rehabilitation ...

A team of scientists are getting closer to the holy grail of brain-powered prosthetics by developing the first advanced-movement prosthetic leg that communicates with the wearer’s mind. Zac Vawter, 31 ...

He’s in shape, so it shouldn’t be a surprise he’s going to attempt to climb the 103 flights of stairs inside Chicago’s Willis Tower this Sunday. “I ran track and cross country in college.” But Zac ...