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News Brief: Mueller Report, North Korea, Brain Tests On Dead Pigs

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David Vetter, pictured in September 1982 inside part of the bubble environment that was his protective home until he died in 1984. Today most kids born with severe combined immunodeficiency are successfully treated with bone marrow transplants, but researchers think gene therapy is the future. AP hide caption

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AP

Gene Therapy Advances To Better Treat 'Bubble Boy' Disease

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Study Examined Germ Levels In Men's Beards Versus Dogs

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Hidden Brain: America's Changing Attitudes Toward Gay People

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CRISPR gene-editing technology allows scientists to make highly precise modifications to DNA. The technology is now starting to be used in human trials to treat several diseases in the U.S. Molekuul/Getty Images/Science Photo Library hide caption

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Molekuul/Getty Images/Science Photo Library

First U.S. Patients Treated With CRISPR As Human Gene-Editing Trials Get Underway

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Scientists Plan To Start Human Trials Testing CRISPR Soon

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South Korean President Park Geun-hye walks past a NASA logo during a tour at the agency's Goddard Space Flight Center in Greenbelt, Md. Patrick Semansky/AP hide caption

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Patrick Semansky/AP

Do You Love Lying In Bed? Get Paid By NASA To Do It For Space Research

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The trick, of course, is to find moments of deep relaxation wherever you are, not just on vacation. Laughing with friends can be another way to start breaking the cycle of chronic stress and help keep your heart healthy, too. stock_colors/Getty Images hide caption

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High Stress Drives Up Your Risk Of A Heart Attack. Here's How To Chill Out

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Should We Have Empathy For Those We Hate?

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The pronounced curve of this toe bone — the proximal phalanx — from a specimen of Homo luzonensis, an early human found in a Philippine cave, looks more like it came from tree-climbing Australopithecus than from a modern human, scientists say. Callao Cave Archaeology Project hide caption

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Callao Cave Archaeology Project

Ancient Bones And Teeth Found In A Philippine Cave May Rewrite Human History

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The first-ever image of a black hole was released Wednesday by a consortium of researchers, showing the "black hole at the center of galaxy M87, outlined by emission from hot gas swirling around it under the influence of strong gravity near its event horizon." Event Horizon Telescope collaboration et al hide caption

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Event Horizon Telescope collaboration et al

The North American porcupine has a cute face, but it has upward of 30,000 menacing quills covering much of its body. The slow-moving herbivore uses them as a last-resort defense against predators. Lindsay Wildlife Experience hide caption

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Lindsay Wildlife Experience

One World Trade Center (WTC) stands in the lower Manhattan skyline as birds fly over the Hudson River in Hoboken, New Jersey, on Feb. 8, 2019. Michael Nagle/Bloomberg via Getty Images hide caption

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Michael Nagle/Bloomberg via Getty Images