Chemistry

  1. Chemistry

    These researchers are unlocking Renaissance beauty secrets

    An art historian has teamed up with chemists to uncover the science behind cosmetics used around 500 years ago.

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  2. Chemistry

    Cats chewing on catnip boosts the plant’s insect-repelling powers

    When cats tear up catnip, it increases the amount of insect-repelling chemicals released by the plants.

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  3. Chemistry

    A pigment’s shift in chemistry robbed a painted yellow rose of its brilliance

    The degradation of an arsenic-based paint stripped shadows and light from a still life flower in a 17th century work by painter Abraham Mignon.

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  4. Ecosystems

    Just 3 ingredients can quickly destroy widely used PFAS ‘forever chemicals’

    Ultraviolet light, sulfite and iodide break down enduring PFAS molecules faster and more thoroughly than other UV-based methods.

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  5. Chemistry

    Scientists made a Möbius strip out of a tiny carbon nanobelt

    A twisted belt of carbon atoms joins carbon nanotubes and buckyballs in the list of carbon structures scientists can create.

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  6. Agriculture

    Oat and soy milks are planet friendly, but not as nutritious as cow milk

    Plant-based milks are better for the environment, but nutrition-wise they fall behind cow milk.

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  7. Chemistry

    Grainy ice cream is unpleasant. Plant-based nanocrystals might help

    The growth of large ice crystals in ice cream produces a coarse texture. A cellulose nanocrystal stabilizer could help keep the unwelcome iciness away.

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  8. Climate

    Smoke from Australia’s intense fires in 2019 and 2020 damaged the ozone layer

    Massive fires like those that raged in Australia in 2019–2020 can eat away at Earth’s protective ozone layer, researchers find.

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  9. Chemistry

    Marie Maynard Daly was a trailblazing biochemist, but her full story may be lost

    Marie Maynard Daly was the first African American woman to receive a Ph.D. in chemistry, but her own perspective on her research is missing from the historical record.

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  10. Chemistry

    One forensic scientist is scraping bones for clues to time of death

    The bones of more than 100 cadavers are shedding light on a more precise and reliable way to determine when someone died.

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  11. Chemistry

    A disinfectant made from sawdust mows down deadly microbes

    Antimicrobial molecules found in wood waste could be used to make more sustainable, greener disinfectants.

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  12. Planetary Science

    Oxygen-rich exoplanets may be geologically active

    Experiments show that rocks exposed to higher concentrations of oxygen have a lower melting temperature than rocks exposed to lower amounts.

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