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‘Game pieces in the culture wars’

With 117 bills proposed across 33 U.S. states, 2021 is a record-breaking year for anti-trans legislation.
lgbt flag in front of white house
Demonstrators gather outside the White House in 2017 to protest the Trump administration’s reversal of an Obama-era policy that allowed transgender people to openly serve in the military. The Pentagon has since announced new polices to protect trans service members. (Image: Ted Eytan)

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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

    Penn physicist Charles Kane to receive the 2026 Lorentz Medal
    Charles Kane

    Charles Kane, Christopher H. Browne Distinguished Professor of Physics at Penn’s School of Arts & Sciences.

    (Image: Brooke Sietinsons)

    Penn physicist Charles Kane to receive the 2026 Lorentz Medal

    Awarded every four years by the Royal Netherlands Academy of Arts and Sciences, the medal honors Kane’s pioneering research on topological insulators.

    Sep 4, 2025