When it comes to hard problems, computer scientists seem to be stuck. Consider, for example, the notorious problem of finding the shortest round-trip route that passes through every city on a map ...

Experts say we’re in a golden age for treating chronic kidney disease, with new drugs like Ozempic yielding major results. Will dialysis and organ transplants become a thing of the past? A healthy ...

A reverse image search can give you more info about any picture you see online, and you can do it right on your iPhone. Here's how. Open Safari and head to Google Images. Start your search adventure ...

Cynthia Sass is a nutritionist and registered dietitian with master's degrees in both nutrition science and public health. Frequently seen on national TV, she's Health's contributing nutrition editor ...