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  • New gene therapy corrects a form of canine macular degeneration

    Guziewicz, Karina comparative histology
    Gene therapy successfully treated a canine version of Best disease, a blinding disorder, the effects lasting more than five years. In these images of the retina of untreated (left) and treated (right) dogs, one can see that BEST1 gene expression (in red) was restored following treatment. In addition, the threrapy restored the structure of the RPE (green layer), a layer of cells that supports the light-sensing photoreceptor cells.

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  • From the frontlines of climate change
    Mangroves growing on a small island separated from the mainland due to abrasion in  West Java.

    Image: Aditya Irawan/NurPhoto via AP Images

    From the frontlines of climate change

    People living on small islands and territories face mounting climate impacts, but little is known about their stance on the issue. Research from a team including Parrish Bergquist, assistant professor of political science, aims to fill those gaps.

    Sep 8, 2025

    A new way to guide light, undeterred
    Bo Zhen and He Li power a series of lasers atop a table.

    nocred

    A new way to guide light, undeterred

    Penn researchers developed a system that allows light to be guided through a tiny crystal, undeterred by bumps, bends, and back-reflections. Their findings pave the way for robust, controllable light-based chips, smarter routing for data links, and more stable lasers.

    Sep 8, 2025

    A summer of student enrichment, from big ideas to bold beats
    Grade school drummers in music class.

    A West Philadelphia High School student practices the drum as part of a July summer program in partnership with the Netter Center for Community Partnerships and nonprofit Musicopia. 

    nocred

    A summer of student enrichment, from big ideas to bold beats

    The Netter Center for Community Partnerships finished its summer of programming for West Philadelphia students, impacting 640 students and six University-Assisted Community Schools.

    Sep 2, 2025