Accurately measuring electrical signals and calcium levels in the heart can lead to earlier treatment of potentially fatal conditions, such as heart attack or congestive heart failure. Calcium plays ...

The domain of wearable devices has grown by leaps and bounds, not just in terms of mass adoption, but also owing to some astounding innovations. Wearable heart rate sensors can now measure everything ...

Stretchable MXene hydrogel sensor tracks heart rate and respiration during intense exercise, staying stable under heat, humidity, motion, and sweat. (Nanowerk News) Continuous monitoring of heart rate ...