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  • Extending battery lifespan and capacity through self-healing materials

    Eric Detsi, associate professor in materials science and engineering in the School of Engineering and Applied Science, has developed batteries that heal from the damage sustained by charging, extending their lifespan.

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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