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  • Health Sciences
  • Making ‘true’ equine IVF a reproducible success

    A new method developed by Katrin Hinrichs and colleagues in the School of Veterinary Medicine resulted in the birth of three healthy foals. The technique opens the door to new insights in the basic biology of horse reproduction.
    Three foals and two mares in a pasture
    After a decades-long quest for an efficient way to perform “true” in vitro fertilization in horses, researchers from Penn Vet have developed a new, successful technique, resulting in the birth of three healthy foals. (Image: Matheus Felix/Penn Vet)

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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