Humans

  1. Environment

    During heat waves, trees spew chemicals that worsen air pollution

    New data point to how heat waves and other climate change will make it harder to curb ozone and other types of toxic air pollution — even outside of cities.

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  2. Archaeology

    Knotted strands of 500-year-old hair tell a surprising story

    Used in a device called a khipu, the hair reveals the owner’s simple diet. Those data now suggest that in Incan society, even some commoners kept records.

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  3. Ecosystems

    Scientists Say: Transplant

    Transplant means to move something from one place to another. A transplant can involve something as small as a cell or as large as a whole population.

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  4. Health & Medicine

    Seeing sick faces revs up our immune system, new data show

    It activates parts of the brain that detect threats and boosts the activity of at least one type of immune cell.

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  5. Humans

    These Korean women spend more time underwater than any other humans

    At an average age of 70, these divers in South Korea still forage in the sea for up to 10 hours a day. They spend more than half of that time underwater.

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  6. Humans

    Forget droplets. Here’s how sweat really forms

    This is the most detailed look yet at how we perspire. Beads of sweat are out, puddling is in.

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  7. Archaeology

    This may be the oldest, most complete Neandertal fingerprint ever seen

    The print appears in a red ochre dot, which a Neandertal left on the ‘nose’ of a facelike rock roughly 43,000 years ago.

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  8. Tech

    Get a sneak peek at the tech you may use in the future

    Holograms, 3-D printed clothing, personal robots — these technologies and more might one day transform your daily life.

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  9. Health & Medicine

    Sleeping in — but not too much — may ease anxiety

    Getting up to two hours of weekend catch-up sleep lowers anxiety in teens, new research shows.

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  10. Health & Medicine

    New study links chemical in plastics to fatal heart disease

    More than one in eight deaths from heart disease in older adults is being linked to DEHP. The plastic chemical appears to play a role in many other health issues, too.

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  11. Humans

    A real-life vampire probably couldn’t survive on blood alone

    Vampires often have human bodies. To survive on blood, they’d need to shed millions of years of evolution. 

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  12. Genetics

    DNA reveals the origin of East Asia’s favorite sweet bean 

    Where those red beans — also called adzuki — came from had been murky. A new study says it all started in Japan.

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