Chemistry

  1. Chemistry

    Mixing gold ions into whiskey can reveal its flavor

    By changing the spirit’s color, the formation of gold nanoparticles can reveal how much flavor a whiskey has absorbed from its wood cask.

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  2. Chemistry

    A way to snap molecules together like Lego wins 2022 chemistry Nobel

    Click chemistry and bioorthogonal chemistry allow scientists to build complex molecules in the lab and in living cells.

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  3. Chemistry

    Josep Cornella breaks boundaries to make new and better catalysts

    Josep Cornella reinvents chemical reactions essential for agriculture and the pharmaceutical industry.

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  4. Chemistry

    Why once-gold ceilings in Spain’s Alhambra palace have purple stains

    Moisture infiltrated flawed gilding at the iconic palace, leading to corrosion that deposited gold nanoparticles of the right size to appear purple.

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  5. Climate

    How to make recyclable plastics out of CO2 to slow climate change

    Companies are turning atmospheric CO2 from smokestacks and landfills into plastics to shrink their carbon footprint.

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  6. Climate

    A carbon footprint life cycle assessment can cut down on greenwashing

    As companies try to reduce their carbon footprint, many are doing life cycle assessments to quantify the full carbon cost of their products.

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  7. Environment

    Common, cheap ingredients can break down some ‘forever chemicals’

    Forever chemicals, or PFAS, are harmful compounds that are very difficult to degrade. But some are no match for lye and dimethyl sulfoxide.

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  8. 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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  9. 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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  10. 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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  11. 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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  12. 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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