Humans

  1. false-color microscope image of HIV on a human cell
    Health & Medicine

    In a first, a person’s immune system fought HIV — and won

    Some rare people may purge most HIV from their bodies, leaving only broken copies of the virus or copies locked in molecular prisons, from which there is no escape.

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  2. man donating COVID-19 plasma
    Health & Medicine

    COVID-19 plasma treatments may be safe, but we don’t know if they work

    Blood plasma from COVID-19 survivors can be used to treat hospitalized patients, FDA says, but researchers question how well it works.

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  3. Black person holding Black baby
    Health & Medicine

    What we can learn from how a doctor’s race can affect Black newborns’ survival

    When Black physicians attended Black newborns after a hospital birth, it reduced the mortality gap between Black and white babies.

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  4. coronavirus illustration
    Health & Medicine

    A man in Hong Kong is the first confirmed case of coronavirus reinfection

    During a 33-year-old man’s first round with the virus, he had symptoms, but not the second time — a hint his immune system protected him from disease.

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  5. Sick woman at home
    Health & Medicine

    New treatments aim to treat COVID-19 early, before it gets serious

    Some new drugs that may stop the coronavirus from getting into cells, or from reproducing itself, may treat the illness as soon as it’s diagnosed.

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  6. photos of three mummified animals
    Archaeology

    X-rays reveal what ancient animal mummies keep under wraps

    A new method of 3-D scanning mummified animals reveals life and death details for a snake, a bird and a cat.

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  7. Maya sculpture of woman holding child
    Humans

    Ancient sculptures hint at universal facial expressions across cultures

    Interpreting the emotions carved onto sculptures from long ago offers a new way to study how humans perceive facial expressions.

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  8. guinea pig
    Health & Medicine

    Dust can spread influenza among guinea pigs, raising coronavirus questions

    In three out of 12 guinea pig pairs, an animal coated in influenza virus, but immune to infection, spread the virus to another rodent through dust.

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  9. people staying cool during heat wave
    Climate

    Hurricanes have names. Some climate experts say heat waves should, too

    A newly formed international alliance aims to raise awareness about extreme temperatures and protect vulnerable populations.

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  10. Woman at graduation
    Psychology

    Why do we miss the rituals put on hold by the COVID-19 pandemic?

    Even solitary rituals bind us to our groups and help calm anxieties. What happens when those traditions are upended?

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  11. children playing soccer in Iraq
    Science & Society

    Interfaith soccer teams eased Muslim-Christian tensions — to a point

    Soccer bonded Christian and Muslim teammates in Iraq, but that camaraderie didn’t change attitudes.

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  12. South Africa’s Border Cave
    Archaeology

    The oldest known grass beds from 200,000 years ago included insect repellents

    Found in South Africa, 200,000-year-old bedding remnants included fossilized grass, bug-repelling ash and once aromatic camphor leaves.

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