"People like to share, if you give them the opportunity and the choice." — John Wilbanks James Duncan Davidson/TED hide caption

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Is Too Much Privacy Bad For Your Health?

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Researchers Watch As Our Brains Turn Sounds Into Words

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Charles, Prince of Wales, smells before tasting some ice cream during a visit to Gloucestershire. Maybe he was sniffing for fat? Barry Batchelor/Getty Images hide caption

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Some men take testosterone hoping to boost energy and libido, or to build strength. But at what risk? iStockphoto hide caption

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Love your hair. Artists' depictions of a Neanderthal man and woman at the Neanderthal Museum in Mettmann, Germany. Martin Meissner/AP hide caption

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Neanderthal Genes Live On In Our Hair And Skin

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A new study on lactose tolerance among early farmers in Spain challenges a leading theory that humans developed an appetite for milk to avoid calcium deficiency. iStock hide caption

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Clinical specialist Catey Funaiock took notes while observing a 5-year-old boy at the Marcus Autism Center, part of Children's Healthcare of Atlanta, in September. David Goldman/AP hide caption

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We know it's not really about Mr. Stork. But we might not be up to speed on key aspects of conception. Jens Bonnke/ImageZoo/Corbis hide caption

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Alexia is a condition often associated with the occipital lobe — the part of the brain that receives visual information. iStockphoto hide caption

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A Reading Teacher Who Lost The Ability To Read

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Most of the diamonds synthesized from cremated remains come out blue, due to trace amounts of boron in the body. These diamonds, made from the ashes of animals, were created through the same process used to make diamonds from human remains. Courtesy Rinaldo Willy/Algordanza hide caption

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From Ashes To Ashes To Diamonds: A Way To Treasure The Dead

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A close-up schematic of leaks near the U.S. Capitol shows high leak densities east of the building, but few leaks over the National Mall, where very few natural gas pipelines exist. Robert B. Jackson/Environmental Science and Technology hide caption

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About 6,000 Natural Gas Leaks Found In D.C.'s Aging Pipes

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Marilyn Budzynski takes care of her 20-year-old son, Michael, in Eustis, Fla., in September. Michael suffers from Dravet syndrome, a severe form of epilepsy. Tom Benitez/MCT /Landov hide caption

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Florida Bill Would Allow Medical Marijuana For Child Seizures

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