Humans

  1. Health & Medicine

    Cannabis may alter a teen’s developing brain

    Marijuana use between ages 14 and 19 was linked to faster thinning of brain regions important in decision-making.

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  2. Archaeology

    A medieval grave may have held a powerful nonbinary person

    A 1,000-year-old grave in Finland, once thought to hold a respected woman warrior, may belong to someone who didn’t have a strictly male or female identity.

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  3. Psychology

    How to resist and counter today’s flood of fake news

    Although misinformation bothers most people, few know how to spot deceit or nonsense, studies find.

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  4. Physics

    Scientists Say: Plasma

    In physics, plasma refers to one of the four states of matter. In medicine, plasma describes the part of blood that ferries cells, nutrients and more throughout the body.

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  5. Health & Medicine

    Discovering the power of placebos

    If you take a fake pill and expect to feel better, you may. Researchers are learning how this placebo effect works and how to use it to help patients.

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  6. Archaeology

    Skeletons point to world’s oldest known shark attacks

    The newfound remains came from people who had lived thousands of years ago in Peru and Japan, half a world apart.

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  7. Humans

    Got back-to-school COVID-19 questions? We’ve got answers

    If everybody masks up at school, that could prevent a bumpy 2021–22 schoolyear. It also could keep safe those students too young to be vaccinated.

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  8. Humans

    How COVID-19 testing plans can keep kids safe in school

    As U.S. students head back to school, various testing strategies are being rolled out to help keep kids safe during in-person learning.

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  9. Health & Medicine

    Kids lost more than learning when COVID closed their schools

    The first 18 months of the pandemic has already taken a hefty academic and emotional toll on students, new research shows.

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  10. Health & Medicine

    Millions of kids have missed routine vaccines thanks to COVID-19

    The missed shots brought vaccination rates for measles, diphtheria, tetanus and pertussis to their lowest levels in over a decade.

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  11. Health & Medicine

    COVID-19 can infect kids — and risks sickening some severely

    Not all are equally impacted. Even among supposedly low risk groups, concerns intensify as the super-contagious delta variant sweeps across the globe.

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  12. Health & Medicine

    What is the role of in-person classes in COVID-19’s spread?

    New data haven’t shown that schools pose a big coronavirus risk to kids and their families, despite fears that they might.

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