Search Results for: chemistry

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353 results
  1. painting of a bouquet of flowers that includes a yellow rose near the center
    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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  2. a cat chewing a catnip plant
    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. image of a cannabis flower
    Chemistry

    Here’s the chemistry behind marijuana’s skunky scent

    Newly ID’d sulfur compounds in cannabis flowers give the plant its telltale odor. One, prenylthiol, is what also gives “skunked beer” its funky flavor.

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  4. Marie Maynard Daly working in a lab with a test tube
    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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  5. photo of a police car in the foreground with cloud of smoke billowing above Yanderra township buildings
    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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  6. illustration of the molecular structures of two mirror versions of limonene
    Chemistry

    An easier, greener way to build molecules wins the chemistry Nobel Prize

    Chemists Benjamin List and David MacMillan have sparked a whole new field that’s aided drug discovery and made chemistry more environmentally friendly.

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  7. a photo of several bottle of plant milks on a table
    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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  8. image of wildfire haze over the Golden Gate bridge and the San Francisco skyline
    Climate

    Wildfire smoke may ramp up toxic ozone production in cities

    A new study reveals how wildfire smoke produces toxic ozone and how urban air pollution could exacerbate the problem.

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  9. scientist facing a rack of boxes of skeletal remains
    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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  10. a gloved hand holds plastic pack rings (to hold six canned beverages together), behind the rings is a beach
    Chemistry

    50 years ago, scientists developed self-destructing plastic

    In the 1970s, scientists developed plastic that could quickly break down when exposed to light. But that didn’t solve the world’s pollution problems.

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  11. side by side images of a yellow, anchor-shaped object
    Chemistry

    A sweet father-son bond inspires tasty new molecule models

    New edible models of proteins could spark students’ interest in the world of chemistry, especially students who are blind.

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  12. Lightning storm in Texas
    Earth

    Lightning may be an important source of air-cleaning chemicals

    Airplane observations show that thunderstorms can directly generate vast quantities of atmosphere-cleansing chemicals called oxidants.

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