All Stories

  1. Computing

    Rise of the botnets

    Botnets are armies of connected, infected computers that attack websites and other online businesses. Some scientists have found ways to use connected computers for good, too.

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  2. Health & Medicine

    For coughing up phlegm, water is key

    Patients with diseases like cystic fibrosis get lungs filled with sticky mucus. Adding water could be the key to getting that phlegm out.

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  3. Health & Medicine

    Explainer: The benefits of phlegm, mucus and snot

    There are many types of mucus in the body. They might seem gross, but these gloppy goos are the first line of defense against infection.

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  4. Animals

    Some male hummingbirds wield their bills as weapons

    The shape of some hummingbird bills may reflect a trade-off between drinking nectar and fighting off the competition.

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  5. Health & Medicine

    Friendly adults help teens stand up against bullies

    In the movies, kid heroes often intervene to stop bullies. What makes that happen in reality? A good family life and trustworthy teachers can help.

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  6. Scientists Say: Petrichor

    There is no smell quite like that of fresh soil after a rainstorm. That smell has a name — petrichor — and scientists even know how it’s made.

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  7. Fossils

    This robot shows how an ancient creature might have walked

    Scientists used fossils, footprints, a computer models and a life-sized walking robot to find out how an ancient creature moved.

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  8. Climate

    The many faces of snowstorms

    There are many different types of winter storms. How do they work?

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  9. Climate

    Explainer: The making of a snowflake

    Have you ever wondered how a snowflake gets its shape?

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  10. Health & Medicine

    Easing test anxiety boosts science grades in low-income students

    Giving lower-income students mental tools to cope with test anxiety boosted their science grades.

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  11. Chemistry

    This houseplant can clean indoor air

    Houseplants may be able to help clean up polluted indoor air. Scientists gave this one a boost by givng it a gene from a rabbit.

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  12. Materials Science

    A self-cleaning glass keeps itself spotless underwater

    Microscopic pancake-like structures keep dirt and oil from sticking to the surface of this self-cleaning glass.

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