Engineers have developed a new way to monitor how tiny lab-grown human heart tissues beat—by effectively "listening" to the ...

One of the flagship additions to the AirPods Pro 3 was a built-in heart-rate sensor, which allows users to track more than 50 workout types. But how accurate is it?

An international team, including the University of Tokyo, has created a sensor inspired by the lateral line in fish - their ...

Researchers have built an AI assistant that uses data from smartwatches, smartphones, and earbuds to detect changes in emotional state and offer more personal mental-health support.