Humans

  1. Archaeology

    Scientists Say: Stone Age

    This vast, mysterious stretch of time marks the dawn of human civilizations.

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  2. Microbes

    More than 100 types of bacteria found living in microwave ovens

    More than 30 microwave ovens were sampled in a range of different settings. The microbes in them included ones that can cause food poisoning in people.

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  3. Chemistry

    Explainer: How cells use chemistry to make the electricity of life

    Charged particles, or ions, constantly move in and out of cells. These migrations produce tiny electric currents, which power your brain, heart and more.

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  4. Health & Medicine

    Explainer: Anatomy of a heartbeat

    Here’s how the heart pumps blood to each and every cell of the body. It beats roughly 60 times every minute, starting before we’re born.

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  5. Brain

    Zap, zap, zap! Our bodies are electric

    Electricity powers key functions in the brain, heart and bone. Scientists are working to understand those currents to improve our health and moods.

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  6. Health & Medicine

    Scientists Say: THC

    The active chemical in marijuana might have some medicinal value. But studies point to THC's potential risks, especially for teens.

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  7. Health & Medicine

    Skin appears to be no barrier for some common ‘forever’ chemicals

    These PFAS, which have been linked to health problems, show up in many products that we touch every day — including clothes and food packaging.

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  8. Animals

    Parrots may offer clues to how our intelligence evolved

    Studies of the brainy birds’ abilities to use tools, solve puzzles, speak words and more may teach us about how our species got our smarts.

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  9. Health & Medicine

    Use of injectable GLP-1 weight-loss drugs skyrockets among teens

    Their long-term safety is still an issue for kids. Meanwhile, a new vibrating robotic pill in early trials might offer an edible alternative to GLP-1s.

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  10. Humans

    Rain Bosworth studies how deaf kids experience the world

    This deaf experimental psychologist has found that babies are born ready to learn sign language, just like spoken language.

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  11. Health & Medicine

    Want to avoid getting sick? Adopt these immune-boosting behaviors

    Research points to ways we can work to stay healthy, even in the face of germs.

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  12. Health & Medicine

    Python fangs inspired a fix for shoulder injuries common in sports

    Curved teeth could grip fragile shoulder tendons without tearing, making rotator-cuff repairs stronger and more likely to last. 

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