Engineers have developed a miniature device that's sensitive enough to feel the forces generated by swimming bacteria and hear the beating of heart muscle cells. The device is a nano-sized optical ...

When someone opens the door and enters a hospital room, wearing a stethoscope is a telltale sign that they’re a clinician. This medical device has been around for over 200 years and remains a staple ...

Stethoscopes can provide vital information about the heart, lungs, and key bodily functions. There are several available to buy online that can help shed light on a person’s health. A low cost yet ...