Penn State researchers have created a washable paint-on tattoo that monitors heart, brain and muscle activity, offering a colorful alternative to bulky wearable health sensors.
Brazil’s GPS vests almost benched a star player based on bad data. Here’s why the numbers were wrong.
University of Washington researchers built a smartphone app that tracks fetal heart rate as accurately as clinic tools using only the phone’s speaker and mic, though it’s not ready for release yet.
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