Chemistry

More Stories in Chemistry

  1. Environment

    Microplastic pollution aids viruses and prolongs their infectivity

    The tiny plastic bits give these germs safe havens. That protection seems to increase as the plastic ages and breaks into ever smaller pieces.

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  2. Chemistry

    Was that fingerprint left during a crime? A new test may answer that

    In what could be a boon to forensics, Iowa State University chemists have come up with a way to analyze the age of fingerprints.

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  3. Physics

    Explainer: Radiation and radioactive decay

    Like clockwork, radioactive forms of some elements shed parts of themselves as they attempt to become nonradioactive.

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  4. Physics

    Explainer: Radioactive dating helps solve mysteries

    Knowing the decay rate of radioactive elements can help date ancient fossils and other artifacts.

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  5. Earth

    Fossil-fuel use is confusing some carbon-dating measurements

    Carbon-14 dating of recent artifacts will soon give scientists confusing results. That’s another price society pays for its reliance on fossil fuels.

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  6. Chemistry

    Forensic scientists are gaining an edge on crime

    Advances in forensic science are helping to recover invisible fingerprints and identify missing people from bits of tissue or bone.

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  7. Chemistry

    Scientists Say: Fluorescence

    This property causes materials — including some animals’ skin, fur or feathers — to glow under light.

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  8. Environment

    This chemist uses online videos to teach about the perils of microplastics

    Imari Walker says her journey as a scientist and science communicator lets her talk about and advocate for her passion.

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  9. Chemistry

    Explainer: What is a hydrogel?

    These unusual materials have a host of unusual properties. You can even make a starch-infused version in your kitchen.

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