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Brief walks every hour can offset the harms of prolonged sitting—but who has time for that? With the help of an NPR podcast, researcher Keith Diaz is trying to identify, and break, the barriers.

Columbia researchers tracked how current language models, such as ChatGPT, mistake nonsense sentences as meaningful. Will analyzing their errors help us understand the way people think?

Biomedical engineer Santiago Correa uses his expertise in nanotechnology to create injectable biomaterials that reprogram the body’s immune system to fight cancer, autoimmune disease, and infection.

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