Okay, I’ll be honest – when my neighbor told me bouncing on a trampoline could burn as many calories as running, I thought she was nuts. But then I dug into the research and tried it myself, and wow… ...

Think your marathon burned exactly 2,600 calories because that’s what your watch said? I hate to break it to you, but your body is way more complicated than that simple math suggests. Here’s what’s ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s hard not to admire marathon and ultra-runners for their ...