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‘The Changing Terrain of Religious Freedom’

This timely volume of essays edited by professors Heather J. Sharkey and Jeffrey Green explores theoretical, historical, and legal perspectives on religious freedom, while examining its meaning as an experience, value, and right.
Protesters carrying Iranian flags walk through the National Mall in Washington, D.C., which is dotted with black and white photos of Iranians allegedly killed by their government.
Protesters walk through a vigil honoring Iranians allegedly killed by their government during a rally in support of the ongoing protests in Iran at the National Mall on Dec. 17, 2022. (Image: AP Photo/Nathan Howard)

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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