Wearable health sensors such as photoplethysmography (PPG) wristbands, ECG patches and multi-modal biometric devices are typically developed and calibrated under controlled laboratory conditions.

A new skin-like sensor developed by an international team led by researchers at Penn State could help doctors monitor vital signs more accurately, track healing after surgery and even help patients ...

Most people think of social interaction as a conscious choice. You see someone, decide whether to approach them, and then act. Yet the process may begin much earlier than it feels. By the time a ...

When a person loses a leg above the knee, the nerves that once moved that leg don’t simply go quiet. They keep firing. The brain still sends signals down through what remains, still attempts to flex ...