Humans

  1. child removing a mask to eat lunch in a school cafeteria
    Health & Medicine

    6 answers to parents’ COVID-19 questions as kids return to school

    Universal masking in schools could prevent a bumpy 2021–22 schoolyear and keep kids, many of whom are too young to be vaccinated, safe, experts say.

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  2. A small group of students in a lecture hall, wearing masks, with empty chairs between them. Several are applauding
    Health & Medicine

    What kids lost when COVID-19 upended school

    Researchers are starting to tally how a year and a half of pandemic has left many children struggling academically and emotionally.

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  3. Parents and kids lined up outside a school
    Health & Medicine

    Schools are reopening. COVID-19 is still here. What does that mean for kids?

    Children do get COVID-19, and some become very sick and even die. But the disease’s long-term effects on kids remain uncertain.

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  4. a trombone player, a flute player and a saxophone player in a parade
    Health & Medicine

    What science tells us about reducing coronavirus spread from wind instruments

    Performers struggled to find evidence that would free them from musical lockdown, so they partnered with researchers to get some answers.

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  5. A man wearing a surgical mask passes a sign that reads "you still have to wear a mask"
    Health & Medicine

    New delta variant studies show the pandemic is far from over

    The coronavirus’s delta variant is different from earlier strains of the virus in worrying ways, health officials are discovering.

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  6. skeleton of an ancient shark attack victim at an excavation site
    Anthropology

    A skeleton from Peru vies for the title of oldest known shark attack victim

    The 6,000-year-old remains of a teen with a missing leg and tell-tale bite marks came to light after news of a 3,000-year-old victim in Japan surfaced.

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  7. a crowd of people wearing face masks in Grand Central Station in New York City
    Health & Medicine

    Why the CDC says it’s crucial to start wearing masks indoors again

    While unvaccinated people are driving the spread of the coronavirus, vaccinated people infected with the delta variant may also easily transmit it.

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  8. cars lined up at a COVID-19 rapid testing site
    Health & Medicine

    Why it’s still so hard to find treatments for early COVID-19

    Small studies, unexpected side effects and incomplete information about how drugs work can stymie clinical trials for drugs that can treat COVID-19.

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  9. a person prepares a syringe with a Pfizer COVID-19 vaccine dose
    Health & Medicine

    What experts know so far about COVID-19 boosters for immunocompromised people

    Some immunocompromised people remain at risk for severe COVID-19 despite being vaccinated. Studies hint that an additional vaccine dose might help.

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  10. partially excavated skeleton of oldest known victim of a shark bite
    Anthropology

    A partial skeleton reveals the world’s oldest known shark attack

    An ancient shark bite victim died quickly, before his body was recovered and buried, a new study finds.

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  11. hairlike cilia (shown in purple) shown at full length and cut short by coronavirus (shown in yellow)
    Health & Medicine

    The coronavirus cuts cells’ hairlike cilia, which may help it invade the lungs

    Images show that the coronavirus clears the respiratory tract of hairlike structures called cilia, which keep foreign objects out of the lungs.

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  12. a crowd of people
    Humans

    Only a tiny fraction of our DNA is uniquely human

    Some of the exclusively human tweaks to DNA may have played a role in brain evolution.

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