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  • Could we breed cows that emit less methane?

    In a new study, researchers from the School of Veterinary Medicine identified attributes of low-methane-emitting dairy cows that could be used as targets for selective breeding.
    Dipti Pitta kneeling next to a Holstein dairy cow.
    Penn Vet’s Dipti Pitta is investigating whether it’s possible to selectively breed dairy cows to have more efficient microbiomes.
    (Image: Chris Boyle) 

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  • Exposure to air pollution worsens Alzheimer’s disease
    Emissions from a power plant.

    Image: Pencho Chukov via Getty Images

    Exposure to air pollution worsens Alzheimer’s disease

    New research from Penn Medicine finds living in areas with high concentration of air pollution is associated with increased buildup of amyloid and tau proteins in the brains of Alzheimer’s patients, accelerating cognitive decline.

    Sep 9, 2025

    Penn physicist Charles Kane to receive the 2026 Lorentz Medal
    Charles Kane

    Charles Kane, Christopher H. Browne Distinguished Professor of Physics at Penn’s School of Arts & Sciences.

    (Image: Brooke Sietinsons)

    Penn physicist Charles Kane to receive the 2026 Lorentz Medal

    Awarded every four years by the Royal Netherlands Academy of Arts and Sciences, the medal honors Kane’s pioneering research on topological insulators.

    Sep 4, 2025