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D.C. Master Patrol Officer Benjamin Fettering shows a body camera worn in place of a normal radio microphone before a news conference in 2014. Brendan Smialowski/AFP/Getty Images hide caption

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Brendan Smialowski/AFP/Getty Images

Body Cam Study Shows No Effect On Police Use Of Force Or Citizen Complaints

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Fresh fish fillets for sale in a display case. Concerns over animal welfare have led to changes in recent years in raising livestock. But seafood has been missing from the conversation. One group aims to change that. kali9/Getty Images hide caption

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kali9/Getty Images

The teen protagonist in John Green's latest novel, Turtles All The Way Down, has a type of anxiety disorder that sends her into fearful "thought spirals" of bacterial infection and death. Jennifer Kerrigan hide caption

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Jennifer Kerrigan

For Novelist John Green, OCD Is Like An 'Invasive Weed' Inside His Mind

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Val Olson (from left), Rick Kamm, Steve David and Dee Haskins play up to the net during a pickleball game at Monument Valley Park in Colorado Springs, Colo., in 2011. Colorado Springs Gazette/MCT via Getty Images hide caption

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Colorado Springs Gazette/MCT via Getty Images

David Reitze of the California Institute of Technology and the executive director of the Laser Interferometer Gravitational-Wave Observatory, or LIGO, speaks at the National Press Club in Washington on Oct. 16. He talks of one of the most violent events in the cosmos, the collision of neuron stars, that was witnessed completely for the first time in August. Susan Walsh/AP hide caption

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Susan Walsh/AP

Pricking your fingers may someday be a thing of the past for diabetics as new technologies aim to make blood sugar regulation more convenient. Alden Chadwick/Getty Images hide caption

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Alden Chadwick/Getty Images

In trying to get people to eat the Pez Diablo, or suckermouth catfish, sustainable fisheries specialist Mike Mitchell says it isn't "a problem of biology or science, but marketing." DeAgostini/Getty Images hide caption

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DeAgostini/Getty Images

Macaques are social animals, whether in a group enclosure like this one at the Gelsenkircen zoo in western Germany, or in the wild. But many research monkeys are still housed in separate cages. Patrik Stollarz/AFP/Getty Images hide caption

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Patrik Stollarz/AFP/Getty Images

Scientists Push To House More Lab Monkeys In Pairs

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