Soldiers participate in physical therapy while using a prosthetic brace called the Intrepid Dynamic Exoskeletal Orthosis (IDEO), which allows them to use and strengthen severely injured legs. John Moore/Getty Images hide caption

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Orthotic Brace Takes Soldiers From Limping To Leaping
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Mary-Claire King says obscurity gave her the freedom to spend years looking for breast cancer genes. Mary Levin/University of Washington hide caption

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How Being Ignored Helped A Woman Discover The Breast Cancer Gene
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Fewer People Are Getting Infections In Hospitals, But Many Still Die
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Why Alzheimer's Hits Women Harder
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