This Temporary Tattoo Is Actually a Battery That's Powered By Your Sweat

What if the sweat produced by your body could power your gadgets? And what if the connection between the two could be made by a temporary tattoo, the more you sweat, the more power the tattoo generates? That's exactly what researchers at UC San Diego have developed—and one day, it could power your wearables. » 8/13/14 9:30am 8/13/14 9:30am

Hydrate Smarter: Drinking the Right Amount of Water When You Exercise

We all know that proper hydration is important. Every cell in your body depends on water to function properly and, when you run low on H2O, systems start crashing. Most of us drink enough fluid to stave the bad stuff off, but when you exercise and start sweating, the equation gets a little more complicated. » 1/15/14 2:00pm 1/15/14 2:00pm

Sweat-Draining Fabric Will Banish Armpit Stains for Good

Fabrics geared towards athletes are designed to wick sweat away from the body so they don't feel drenched. But the fabric is still wet and weighed down with perspiration. To really feel dry, researchers at UC Davis have developed a fabric with channels that literally drain sweat away. Gross and awesome. » 5/21/13 3:12pm 5/21/13 3:12pm

How Much Hair, Sweat, Pee and Poop Do Our Bodies Make Every Year?

Prepare to be grossed out. You know how you go to the bathroom every day, cut your nails every few weeks and cut your hair every month? Did you ever think about what all that totals up to? What about all those times you've cried or drooled or worked up a sweat? It adds up to an embarrassing amount of fluid! » 5/03/13 9:04pm 5/03/13 9:04pm

Greg Packer Seen in the Wild, Still First in Line

Greg Packer, everyone's favorite professional linesitter, was spotted by our enterprising videographer Alex Goldberg this weekend at the Village Voice Siren Festival at Coney Island. Where was he? Up at the very front, of course. Whether or not he'd ever heard of any of the bands he saw is currently unknown. You'll… » 7/24/07 2:55pm 7/24/07 2:55pm