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  • Could psychedelics simultaneously treat chronic pain and depression?

    Through the PURM internship program, undergraduate Ahmad Hammo is spending the summer alongside Joseph Cichon in the Perelman School of Medicine investigating the potential for psilocybin to treat chronic neuropathic pain.
    Ahmad Hammo
    Ahmad Hammo, a rising third-year student in bioengineering, is investigating psilocybin’s potential as a therapy for chronic pain and the depression that often accompanies it. 

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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