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  • Pushing the boundaries of fundamental chemistry

    A team of chemists has created “impossible molecules” inside water- and oxygen-free environments.
    a close-up of chemical reactions written on a glass screen with a person in a lab coat working in the background
    Researchers in Daniel Mindiola’s lab are pushing the boundaries of fundamental chemistry by studying extremely unstable and reactive molecules. Making these “impossible molecules” requires detailed planning and a number of trial and error experiments along the way.  

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  • Future mRNA vaccines may prevent food and seasonal allergies
    A table of common food allergens including shellfish, peanuts, legumes, eggs, and milk.

    Image: fcafotodigital via Getty Images

    Future mRNA vaccines may prevent food and seasonal allergies

    Early research from Penn Medicine finds a new mRNA vaccine stops allergens from causing immune reactions and life-threatening inflammation, with promise for future treatment for a variety of seasonal and food allergies.

    Sep 29, 2025