Dating apps have reached critical mass. There are dating apps like Tinder, dating apps for finding love, dating apps for hooking up, dating apps for millennials, and for young professionals, and for ...

Choosing proper string tension—how tightly the strings are pulled in a frame—is just as important to your game as your racquet. Too low a tension will leave you hitting the back fence; too tight and ...

NOVA: What is so compelling about string theory to make you want to devote your career to it? Lykken: I think when a lot of people go into theoretical physics, they're looking for the big answers to ...