Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...

We may earn a commission from links on this page. Deal pricing and availability subject to change after time of publication. While most fitness watches and other devices (like smart rings) can measure ...

Abstract: This paper presents the design and implementation of an Arduino-based ECG heart rate monitoring system. The proposed system uses an ECG sensor module to acquire cardiac signals, which are ...

SEATTLE — What if pregnant women could monitor their baby's heart rate using their mobile phone? The idea is not so far-fetched. A University of Washington PhD student is helping develop a smartphone ...

University of Washington researchers built a smartphone app that tracks fetal heart rate as accurately as clinic tools. No extra hardware, no gel, just the phone’s own speaker and microphone. It’s ...

Researchers at Rice University in Houston, Texas have demonstrated a new technique that can hide – or even fabricate – human heart rate signals from radar-based surveillance systems, raising fresh ...

What is heart rate variability (HRV)? As popular as the metaphor may be, a healthy heart doesn’t beat as regularly as a metronome. In fact, it changes its rhythm with each beat. Heart rate variability ...

Photographers often take photographs of the scenes that spark emotions – but did you know that Nikon once gave that ability to a dog? Using a compact camera, a 3D printed case, and a heart rate ...

Real-time and early detection of minute changes in the functioning of the cardiovascular system is crucial for managing critically ill patients, such as newborns and older adults, and can ...

HOUSTON – (Feb. 9, 2026) – It’s a typical workday and you sign onto your computer. Unbeknownst to you, a high-frequency sensing system embedded in your work device is now tracking your heart rate, ...

Fans watching the Winter Olympics on NBC networks may notice a unique addition to the coverage—a live heart rate monitor showing the stress of the coaches, parents and partners of the American ...