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  1. Health & Medicine

    Stoplights are hot spots for airborne pollution

    Drivers get a big chunk of their exposure to pollutants from short stops at traffic intersections.

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  2. Animals

    When you’re happy and you show it, dogs know it

    A new test using pictures of halves of human faces challenges dogs’ abilities to read people’s emotions.

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  3. Genetics

    Ancient East Asians mixed and mingled multiple times with Neandertals

    East Asians’ ancestors interbred with Neandertals more than once, explaining why modern East Asians carry more Neandertal DNA than Europeans do, two studies suggest.

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  4. Psychology

    Scientists of a feather flock together

    When it comes to major scientific issues such as global warming and GMOs, scientists and the public don’t see eye to eye. It might be because socially, they don’t see each other at all.

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  5. Health & Medicine

    U.S. measles tally for 2015 now at 121 cases

    The 2014–2015 measles outbreak in the United States has now reached people in 17 states and the District of Columbia.

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  6. Health & Medicine

    Glowing amino acid lights up growing brain cancer

    By adding a tracer compound that sticks to the amino acid glutamine, researchers may be able to discern and monitor cancerous tissues in the brain.

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  7. Psychology

    Adults with autism are left to navigate a jarring world

    Researchers are beginning to study ways to help adults with autism navigate independently, get jobs and find friendship.

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  8. Health & Medicine

    Bouncing back from giving blood can take months

    Taking iron supplements after donating blood can dramatically reduce the time it takes to recover iron levels in the blood, a study finds.

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  9. Health & Medicine

    Fallout from nuclear bomb testing presaged today’s radioactive tracers

    Scientists in 1965 measured buildup of radioactive carbon from nuclear bomb testing in people.

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  10. Health & Medicine

    Signs of sleep debt found in the blood

    When rats and people skimp on sleep, fats and acids involved in metabolism dwindle.

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  11. Neuroscience

    Shots of brain cells restore learning, memory in rats

    Scientists healed damage caused to rats’ brains from radiation by injecting cells that replenish the insulation on neurons.

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  12. Health & Medicine

    Handheld device turns smartphone into diagnostic tool

    A compact device can process a blood sample to diagnose HIV or syphilis when attached to a smartphone.

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