In physics, some waves behave in a surprising way: instead of spreading out and fading, they hold their shape as they travel at constant speeds. These unusual waves, called solitons, have interested ...

There are four main ligaments in your knee. Ligaments are strong bands of tissue that connect one bone to another. In the knee, they connect the bone above your knee to one of the two bones below your ...

Advanced Micro Devices has begun to incorporate a form of strained silicon into its chips, a design twist that will let the company increase the performance of its processors. The strained silicon is ...