Robert Dixon Sr. holds a photograph of his son, Robert Dixon Jr. (far right), his son's mentor Bob Stuart, and himself (far left). Lianne Milton for NPR hide caption

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Joseph Corbett (center), who was convicted of killing millionaire Adolph Coors III, is led to the Jefferson County courthouse in Golden, Colo., in 1961. John F. Urwiller/AP hide caption

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A mother watches a video taken of herself playing with her daughter for Bellevue Hospital's Video Interaction Project. Former hospital employee Brenda Woodford reviews the footage, offering positive feedback and areas for improvement. Courtesy of Children of Bellevue Archives hide caption

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The definitions for some mental disorders may change in the new edition of the DSM. Mark Strozier/ hide caption

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Brothers Eric (from left) and Tom Hoebbel have the same genes, but they couldn't be more different. Courtesy of Tom Hoebbel hide caption

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Through the lens of evolution, a belief in God serves a very important purpose: Religious belief set us on the path to modern life by stopping cheaters and promoting the social good. hide caption

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When The Levees Broke: The rate of suicide in 2008 and 2009 in Orleans Parish was about twice as high as it was the two years before the levees broke.  Above, the 17th Street Canal Levee. Mario Tama/Getty Images hide caption

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Is This Evolution? This is just one version of the iconic illustration of evolution, but reporter Alix Spiegel believes this type of depiction doesn't tell enough of the story of what truly makes us human. Giovanni Caselli hide caption

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