Measuring the heart rate of great apes in captivity is essential for both health management and animal studies. However, existing most methods are either invasive or inaccurate. Now, researchers have ...

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 ...

High-frequency radar can detect extremely subtle body movements, such as those caused by the heart beating. In this study, researchers used millimeter-wave radar to remotely measure heart rate in two ...