Our weight can fluctuate throughout the day based on a variety of factors. Find out if you're actually gaining weight or if ...

Smart scales can help you keep track of your muscle mass, body fat percentage, bone density and other health stats — these are the best models we have tested. The best smart scales do far more ...

But they can't just put it on a scale and weigh it. For one, it's extremely short-lived. W bosons are made by smashing beams of particles together at nearly the speed of light inside powerful ...