Add Yahoo as a preferred source to see more of our stories on Google. If just by looking at our watch or cell phone we can know, in real time, our heart rate, the number of steps we take, the calories ...

Wearable devices like smartwatches and fitness trackers interact with parts of our bodies to measure and learn from internal processes, such as our heart rate or sleep stages. Now, MIT researchers ...

ON THE OUTSIDE, the Oura ring looks rather ordinary, indistinguishable from a chunky wedding band. But a faint green light that intermittently leaks out from the gap between finger and ring suggests ...

Rsearchers have developed the first wearable device for measuring gases emitted from and absorbed by the skin. By analyzing these gases, the device offers an entirely new way to assess skin health, ...

Stanford researchers have unveiled a new type of frequency comb, a high-precision measurement device, that is innovatively small, ultra-energy efficient, and exceptionally accurate. With continued ...

Embedded in cell phones, rings, bracelets or watches, the novel tools aim to make it easier to manage hypertension. But they must still pass several tests before hitting the clinic. By Matías A. Loewy ...