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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The Sources And Symptoms Of A Disease With A Global Reputation

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Battery-Powered Headband Helps Prevent Migraines

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If new guidelines are followed fully, half the medicine chests in America could eventually be stocked with cholesterol-lowering drugs such as atorvastatin, the generic form of Lipitor. Bill Gallery/AP hide caption

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