From left: Frank Wild, Ernest Shackleton, Dr. Eric Marshall and Jameson Adams head back to base camp after getting within 97 miles of the South Pole — closer than anyone had gotten before them — in January 1909. /Getty Images hide caption

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/Getty Images

Fire department personnel, police officers and paramedics at the scene of a fatal collision on Highway 401 in Mississauga, Ontario, in July 2011. Stacey Newman/iStockphoto.com hide caption

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Stacey Newman/iStockphoto.com

'America's Failure: To Treat And Prevent Cancer'

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Just 10 to 15 minutes of counseling from primary care doctors can reduce the risk of "risky" drinking, a federal task force says. iStockphoto.com hide caption

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Sara Terry and her son, Christian, in Spring, Texas. After sequencing Christian's genome, doctors were able to diagnose him with a Noonan-like syndrome. Eric Kayne for NPR hide caption

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Eric Kayne for NPR

Doctors Sift Through Patients' Genomes To Solve Medical Mysteries

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Sam Berns, 15, who has the very rare premature-aging disease progeria, plays the drums in his high school's marching band. Courtesy of the Progeria Research Foundation hide caption

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Courtesy of the Progeria Research Foundation

Experimental Drug Is First To Help Kids With Premature-Aging Disease

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Doctors may recommend that obese patients use weight-loss drugs to trick their hunger pangs. iStockphoto.com hide caption

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Two New Drugs May Help In Fight Against Obesity

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AIDS Drug Creator Never Profited From His Discovery

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What The Doctor Ordered: Building New Body Parts

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A surgical team with Sahlgrenska University Hospital in Gothenburg, Sweden, performs the first mother-to-daughter uterine transplant. Johan Wingborg/University of Gothenburg hide caption

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Johan Wingborg/University of Gothenburg

Swedes Perform Pioneering Uterine Transplants; Americans Not Far Behind

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Surgeons transplant a kidney in 8-year-old Sarah Dickman at Children's Healthcare of Atlanta in 2008. The proposed changes in the transplant list attempt to maximize kidney life in young patients. John Bazemore/AP hide caption

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John Bazemore/AP

Who's Next In Line For A Kidney Transplant? The Answer Is Changing

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ABC's Robin Roberts, host of Good Morning America, (left) talks with Mark Zuckerberg, the founder and CEO of Facebook, in late April about the social network's push to get users to enroll as organ donors. This week Roberts is expected to receive a bone marrow transplant to treat myelodysplastic syndrome. Rick Rowell, ABC/via AP hide caption

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Rick Rowell, ABC/via AP

Andy Tranfaglia, 23, who has Fragile X syndrome, rides a horse with his mother, Katie Clapp. Katie Clapp hide caption

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Katie Clapp

Progress Made On Drug For Autism Symptoms

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