Discover 9+ Apple Watch hidden features most people never use, from FDA-cleared ECG and sleep apnea detection to fall ...

A new ultrasensitive thermal sensor can track metabolic heat from small bacterial populations, offering potential ...

Whether you want to track your stress, sleep, heart rate, steps or more, these are our favorite fitness trackers.

The toothbrush features a pressure sensor that reduces vibrations if you brush too hard, a two-minute auto-shut-off function, and two intensity settings—low and high. A single charge lasts about two ...