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  • At drive-through testing sites, Penn providers on the front lines of a pandemic

    A parking lot  in daylight with a sign on the front gate reading Penn Medicine COVID-19 Testing Center
    A drive-through COVID-19 testing site was rapidly mobilized by Penn Medicine in a parking lot at 41st and Market Streets in West Philadelphia in March, 2020.

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  • OpenAI, DeepSeek, and Google vary widely in identifying hate speech
    Two people work on coding at computer.

    Image: Kindamorphic via Getty Images

    OpenAI, DeepSeek, and Google vary widely in identifying hate speech

    Neil Fasching and Yphtach Lelkes of the Annenberg School for Communication have found dramatic differences in how large language models classify hate speech, with especially large variations for language about certain demographic groups, raising concerns about bias and disproportionate harm.

    Sep 10, 2025