Ghost in the machine. A John Deere 7930 tractor rumbles across a canola field, buggy in tow, and eases alongside a rolling combine to collect grain. Speed, distance, and timing are synced in a farming ...

Fitness wearables can help you move more, sleep better, and stay healthy. Here's how to pick the right one for you, along with the best fitness trackers we've tested. I’m PCMag’s senior writer ...

Electronic vital sign monitors have been common in hospitals for more than 40 years. On TV or in movies, they start making noises, and doctors and nurses come running, yelling things like “stat!” If ...