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  • Honoring Martin Luther King Jr.’s tenets, character, and sacrifice

    The 29th Annual Martin Luther King Jr. Day of Service and the Symposium on Social Change honors King’s legacy through educational and volunteer opportunities.
    Students sit at tables to eat breakfast in a large room with wooden panelling, chandeliers, and university flags.
    Students listen to Charles “Chaz” Howard speak at the 2023 Day of Service kickoff breakfast in the Hall of Flags.

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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

    What stiffening lung tissue reveals about the earliest stages of fibrosis
    Donia Ahmed prepares tissue for imaging.

    Image: Courtesy of Penn Engineering Today

    What stiffening lung tissue reveals about the earliest stages of fibrosis

    A Penn Engineering team has targeted the lung’s extracellular matrix to better understand early fibrosis by triggering the formation of special chemical bonds that increase tissue stiffness in specific locations, mimicking the first physical changes that may lead to lung fibrosis.

    Sep 12, 2025