The antidepressant Prozac selectively targets the chemical serotonin. Paul S. Howell/Getty Images hide caption

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U.S. soldiers at Long Binh base, northeast of Saigon, line up to give urine samples at a heroin detection center in June 1971, before departing for the U.S. AP hide caption

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Indian firefighters attempt to put out a fire as smoke billows out of the historic Taj Mahal Hotel in Mumbai, which was stormed by armed gunmen in November 2008. Indranil Mukherjee/AFP/Getty Images hide caption

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New research suggests that people who are more creative are more likely to cheat. hide caption

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A gun turret on the sunken Australian warship HMAS Sydney. All 645 people aboard the Sydney died. AP hide caption

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Kate Frego pins the turban of her mother, Aida Essenburg. Before Essenburg died in July of this year, she sat down with a dignity therapist to record the history of her life in what became a 50-page document. Courtesy of Kate Frego hide caption

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A boom sweeps around a tank at a sewage treatment plant in Coos Bay, Ore. Even though sewage water can be treated and cleaned, psychologists say getting the "cognitive sewage" out of the water is much more difficult. Jeff Barnard/AP hide caption

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Using revamped photo lineup procedures, a Dallas police officer shows a victim of a robbery a single photo of a suspect in an interview room at police headquarters in 2009. Dallas officially adopted lineup reforms two years ago, and last month the state of Texas said all police departments must review lineup procedures. LM Otero/AP hide caption

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Union College psychology professor Chris Chabris and his students staged an outdoor fight to study inattentional blindness. Matt Milless/Union College hide caption

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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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