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  • The new and improving Penn Bookstore

    The Bookstore has a revamped café, a reworked “marketplace,” and is getting new escalators.
    Penn Bookstore
    The 50,000-square-foot Penn Bookstore, operated by Barnes & Noble Education, is one of the largest of its kind ever built. This summer, its inside underwent various enhancements.

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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