IEEE Spectrum’s most popular biomedical stories of the last year centered both on incorporating new technologies and revamping old ones. While AI is all the rage in most sectors—including biomed, with applications like an in-brain warning system for worsening mental health and a model to estimate heart rate in real time—biomedical news this past year has also focused on legacy technologies. Tech like Wi-Fi, ultrasound, and lasers have all made comebacks or found new uses in 2025.
Whether innovation…

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