Humans

  1. Microbes

    Bird flu viruses may pack tools that help them infect human cells

    Bringing along their own ANP32 proteins may give avian flu viruses a jump-start on copying themselves to adapt to and infect humans and other animals.

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  2. Health & Medicine

    Under very rare conditions, Alzheimer’s disease may be transmitted

    Alzheimer’s isn’t contagious. But contaminated growth hormone injections caused early-onset Alzheimer’s in some recipients, a new study suggests.

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  3. Humans

    Here’s why COVID-19 isn’t seasonal so far

    Human immunity and behavior may be more important than weather for driving seasonality when it comes to COVID-19.

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  4. Climate

    Cold, dry snaps accompanied three plagues that struck the Roman Empire

    New climate data for ancient Italy point to temperature and rainfall influences on past infectious disease outbreaks.

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  5. Animals

    What parrots can teach us about human intelligence

    By studying the brains and behaviors of parrots, scientists hope to learn more about how humanlike intelligence evolves.

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  6. Health & Medicine

    Is aging without illness possible?

    Researchers are harnessing basic biology to develop drugs that foster healthy aging. Just don’t call them antiaging pills.

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  7. Archaeology

    An ancient, massive urban complex has been found in the Ecuadorian Amazon

    Found by airborne laser scans, this settlement and others throughout Mesoamerica and the Amazon are shifting how archaeologists think about urbanism.

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  8. Genetics

    How ancient herders rewrote northern Europeans’ genetic story

    New DNA analyses show the extent of the Yamnaya people’s genetic reach starting 5,000 years ago and how it made descendants prone to diseases like MS.

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  9. Health & Medicine

    The teen brain is especially susceptible to the harms of THC

    Marijuana that’s higher in THC and concentrated cannabis products may pose even higher risks of addiction and psychosis.

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  10. Anthropology

    Ancient primates’ unchipped teeth hint that they ate mostly fruit

    Of more than 400 teeth collected, just 21 were chipped, suggesting that early primate diets were soft on their choppers.

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  11. Health & Medicine

    Fetuses make a protein that causes morning sickness in pregnancy

    A hormone called GDF15 triggers a part of the brain involved in nausea and vomiting, a new study finds. Blocking its action may lead to treatments.

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  12. Science & Society

    Most people say self-control is the same as willpower. Researchers disagree

    Psychologists say self-control is about planning ahead to avoid relying on willpower in the moment. Laypeople see things differently.

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