Chemistry

More Stories in Chemistry

  1. Materials Science

    Copper ‘foam’ could be used as filters for COVID-19 masks

    The lightweight new material could serve as a washable and recyclable, eco-friendly alternative for many current mask filters.

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  2. Health & Medicine

    Cool Jobs: Saliva offers a spitting image of our health

    Scientists are using this secretion to study our body’s functions, to test for disease and even to diagnose injury.

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  3. Chemistry

    Scientists Say: Alkaline

    Alkaline chemicals are basic — substances that produce hydroxide ions in solution.

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  4. Chemistry

    New recycling technologies could keep more plastic out of landfills

    Recycling plastics is really hard — especially into useful materials. But new chemical tricks could make recycling easier.

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  5. Chemistry

    Explainer: What are chemical bonds?

    When various particles, atoms, ions or molecules come together to form a substance, they are held together with chemical bonds.

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  6. Chemistry

    Level up your demonstration: Make it an experiment

    What’s the difference between a demonstration and an experiment? Questions, measurements and many, many replications.

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  7. Chemistry

    Let’s learn about acids and bases

    Acids give away particles with positive charge. Bases accept positively charged particles. They are both critical for chemical reactions.

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  8. Chemistry

    Extreme pressure? Diamonds can take it

    Diamond retains its structure even at extreme pressures, which could reveal how carbon behaves in the cores of some exoplanets.

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  9. Physics

    Scientists Say: Piezoelectric

    Piezoelectric materials produce an electric voltage when they are bent or squished. This can let us harvest electricity from movement.

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