The ability to move with speed, precision and power is important for longevity. Here’s how to gauge it and how to improve.

Abstract: An algorithm is introduced for generating frequency selective surfaces (FSSs) capable of conforming to any curvature while maintaining the proper size, shape, and spacing of the elements.

Self-administered HPV tests involve inserting a plastic tube — similar to a tampon — into the vagina, then twisting the ...

The Navy rolled out its first fitness test for sailors in combat arms roles, mandating swimming, running and calisthenics ...

These are the five hardest questions from the country’s notoriously challenging college-entrance exam, a batch of problems so ...