Matter and Its Interactions

More Stories in Matter and Its Interactions

  1. Space

    Physicists may have finally glimpsed elusive dark matter

    For decades scientists have been trying to detect this invisible substance that fills the cosmos. The LZ experiment may have finally spied it.

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  2. Chemistry

    Scientists Say: Pyrolysis

    This oxygen-free “burning” reaction explains why charcoal can burn, but typical campfire soot cannot.

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  3. Health & Medicine

    A protein building block may help fight viruses and cancer

    As a food supplement, arginine might one day help cut tumor formation and the proliferation of viruses in the body, mouse data suggest.

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  4. Physics

    Scientists Say: Antimatter

    Most of the universe consists of ordinary matter. But not all. A tiny fraction is matter’s mysterious twin: antimatter.

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  5. Chemistry

    Experiment: Make your own marshmallows!

    Soft, sticky marshmallows can be made with just three ingredients. Finding the right ratio of sugar and corn syrup is key to making this sweet treat.

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  6. Physics

    Scientists made clocks from an atomic nucleus

    These super high-tech timepieces use the chemical element thorium to keep time. And as the clocks improve, they could help solve some mysteries in physics.

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  7. Chemistry

    Scientists Say: Alloy

    These metallic mergers support our tallest buildings and our finest jewelry.

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  8. Physics

    Physics explains why gold doesn’t ‘rust’

    Metals like copper tarnish when they react with oxygen in the air. Gold doesn’t, thanks to a quick rearrangement of atoms on its surface.

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  9. Microbes

    Fuzzy microbes may fuel cows’ methane burps

    Production of this potent greenhouse gas is triggered by a newfound feature of these microbes — one with a funny name: hydrogenobody.

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