S1 and S2 are the normal heart sounds you hear when the heart valves close. Heart murmurs are extra sounds that can be heard during systole, diastole, or as a continuous sound. S3 and S4 are abnormal ...

Researchers track 72 students to prove heart rates synchronize during close proximity and shared attention, serving as a real-world marker for social engagement.

AirPods Can Measure Your Heart Rate, but Are They Accurate?

When people are close—both physically and emotionally—their heart rates begin to align, rising and falling together. Could ...

Nine months after launching alongside the iPhone 17 and iPhone Air, Apple's AirPods Pro 3 are still some of the best wireless ...