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  • Tips for easing back pain during isolation

    A conversation with Jang Won Yoon, an assistant professor of clinical neurosurgery at the Perelman School of Medicine, about keeping back pain at bay during sedentary workdays.
    Person with back pain reaching for their back in a chair

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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