Imagine checking your heart rate without strapping on a smartwatch or chest monitor. This future might not be far off. Engineers at the University of California-Santa Cruz developed a system that uses ...

WiFi signals can measure heart rate - with no wearable device needed, reveals new research. Engineers showed their technique is effective even with the lowest-cost WiFi devices. Heart rate is one of ...

In a clinical study involving 23 pregnant women in their second and third trimesters, the app estimated fetal heart rate with an average error of about 2 beats per minute. Clinically, an error within ...

Heart rate is one of the most basic and important indicators of health, providing a snapshot into a person’s physical activity, stress and anxiety, hydration level, and more. Traditionally, measuring ...