Humans

  1. photograph of vial of dexamethasone
    Health & Medicine

    The steroid dexamethasone is the first drug shown to reduce COVID-19 deaths

    The drug might save one of every eight people on ventilators and one of 25 on oxygen.

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  2. woman sleeping
    Health & Medicine

    COVID-19 lockdowns helped people get more, but not necessarily better, sleep

    Two studies report that people began sleeping more and more regularly after countries imposed stay-at-home orders to slow the coronavirus’ spread.

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  3. Hydroxychloroquine tablets
    Health & Medicine

    The FDA has canceled emergency use of hydroxychloroquine for COVID-19

    The malaria drug is unlikely to work as an antiviral and its risks don’t outweigh benefits in use against the coronavirus, the agency rules.

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  4. artifacts from Sri Lanka
    Archaeology

    Clues to the earliest known bow-and-arrow hunting outside Africa have been found

    Possible arrowheads at a rainforest site in Sri Lanka date to 48,000 years ago.

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  5. ECMO room at Northwestern Memorial Hospital
    Health & Medicine

    A critically ill COVID-19 patient just got a double lung transplant

    A young woman whose lungs could not recover from the coronavirus infection is doing well after a double lung transplant.

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  6. Lactobacillus bacteria
    Life

    Scientists want to build a Noah’s Ark for the human microbiome

    Just as the Svalbard Global Seed Vault protects global crop diversity, the Microbiota Vault may one day protect the microbes on and in our bodies.

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  7. man wearing a mask and coughing
    Health & Medicine

    No, you can’t hear the difference between sick and healthy coughs

    A study shows humans can’t distinguish between the sound of a cough from someone with an infectious disease and someone with a tickle in the throat.

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  8. People wearing masks at a restaurant
    Health & Medicine

    How often do asymptomatic people spread the coronavirus? It’s unclear

    A WHO official said people without COVID-19 symptoms rarely spread the virus, but there’s a lot that researchers don’t yet understand.

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  9. Mission Dolores Park in San Francisco
    Health & Medicine

    Lockdowns may have averted 531 million coronavirus infections

    Policies that kept residents at home and closed businesses were largely effective at slowing the pandemic’s spread, two studies suggest.

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  10. hydroxychloroquine
    Health & Medicine

    Taking hydroxychloroquine may not prevent COVID-19 after exposure

    Hydroxychloroquine didn’t protect health-care workers from getting sick after being exposed to someone with COVID-19, a new study shows.

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  11. 3-D rendering of Maya site Aguada Fénix
    Archaeology

    Lidar reveals the oldest and biggest Maya structure yet found

    A previously unknown Maya site in Mexico, called Aguada Fénix, adds to evidence that massive public works may have preceded kings in the civilization.

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  12. Kids riding bikes in DC
    Health & Medicine

    What parents need to know about kids in the summer of COVID-19

    So far, evidence suggests children don’t often get severely ill from COVID-19, but there’s more to learn about their role in its spread.

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