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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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Dogs may not wash their paws compulsively, but some humans and canines have similar genetic mutations that may influence obsessive behavior. Ute Grabowsky/Photothek via Getty Images hide caption

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Ute Grabowsky/Photothek via Getty Images

Scott Kelly is seen floating during a spacewalk in 2015. NASA/Getty Images hide caption

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NASA/Getty Images

Astronaut Scott Kelly's Latest Mission: A Book

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Nostalgia Isn't Just A Fixation On The Past - It Can Be About The Future, Too

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Sleep Scientist Warns Against Walking Through Life 'In An Underslept State'

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Seafood processors like Ocean Beauty are some of the largest energy consumers in Kodiak, Alaska, which has generated more than 99 percent of its electricity from renewable sources since 2014. Here, the Ocean Beauty seafood plant. Eric Keto/Alaska's Energy Desk hide caption

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Eric Keto/Alaska's Energy Desk

After Hurricane Power Outages, Looking To Alaska's Microgrids For A Better Way

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The collision of two neutron stars, seen in an artist's rendering, created both gravitational waves and gamma rays. Researchers used those signals to locate the event with optical telescopes. Robin Dienel/Carnegie Institution for Science hide caption

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Robin Dienel/Carnegie Institution for Science

Astronomers Strike Gravitational Gold In Colliding Neutron Stars

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She's not tuning in, she's tuning inward — letting go of stress, or at least trying to, with a mindfulness app on her phone. Photo Illustration by Carolyn Rogers/NPR hide caption

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Photo Illustration by Carolyn Rogers/NPR

Mindfulness Apps Aim To Help People Disconnect From Stress

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Tape worm pills were once advertised as a way to stay thin. Courtesy of Workman Publishing hide caption

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Courtesy of Workman Publishing

'Quackery' Chronicles How Our Love Of Miracle Cures Leads Us Astray

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The post-fire entryway of the Anova school, which was located in Santa Rosa's Luther Burbank Center for the Arts. Adam Grossberg/KQED hide caption

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Adam Grossberg/KQED