All Stories

  1. Environment

    Gas stoves can spew lots of pollution, even when they’re turned off

    A new study finds they can leak benzene and other harmful chemicals into homes, sometimes at very high levels.

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  2. Microbes

    Mouth-crawling superbugs cause severe cavities in kids

    In kids with severe tooth decay, fungi and bacteria team up to create superorganisms that can crawl across teeth.

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  3. Environment

    For a better brick, just add poop

    Sewage sludge. Cow dung. They’re not just waste — scientists are finding uses for processed poop in construction materials.

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  4. Earth

    Analyze This: Salt may quash lightning over the sea

    Bits of airborne salt may help raindrops form, removing water from clouds before it can freeze as part of the process that makes lightning.

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  5. Physics

    How salty does the sea have to be for an egg to float?

    Some objects float on top of the ocean, and other objects sink to the bottom. Why? Try this eggs-periment to find out!

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  6. Physics

    Scientists Say: Fusion

    Nuclear fusion is the physics that powers the sun and could someday provide abundant clean energy on Earth.

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  7. Tech

    Insect-inspired drones work together to 3-D print structures

    For the first time, flying drones have 3-D printed structures. In the future, such drones might be able to build in hard-to-reach places.

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  8. Climate

    Green energy is cheaper than fossil fuels, a new study finds

    Switching over to clean, renewable power — and away from fossil fuels — could save trillions of dollars by 2050, a new study finds.

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  9. Climate

    Explainer: What is decarbonization?

    Lowering carbon levels in our atmosphere to stabilize the climate may start with switching from fossil fuels to greener energy sources.

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  10. Chemistry

    Explainer: All about carbon dioxide

    Animals and other life on Earth exhale carbon dioxide, which plants use for photosynthesis. But too much of this gas can perturb Earth’s climate.

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  11. Archaeology

    Neandertals were a lot like our human ancestors

    From toolmaking to healthcare, new research finds that Neandertals shared many cultural and social similarities with our human ancestors.

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  12. Fossils

    Armored dinos may have used tail clubs to bash each other

    Broken spikes on a fossil dino’s sides are consistent with the armored beast having received a mighty blow from another ankylosaur’s tail club.

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