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  • Penn Libraries prepares for a new semester

    The Libraries’ goals for the spring semester remains the same as before the pandemic—to get materials into the hands of library users, either literally or virtually.
    Person wearing a mask stands in the library stacks holding books.
    The Penn Libraries is sharing materials with patrons by scanning and sending, or providing them for pickup. Librarian Megan Brown pulls books from the Van Pelt-Dietrich Library Center stacks.

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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