STARKVILLE, Miss.—Mississippi State Instructor II Kim Walters is using her Math in Your World class to teach students that ...

Even if you consider yourself pretty good at math, mental arithmetic can sometimes be quite the challenge. It’s okay in a ...

This is an eye-popping show, even by Paramount’s high standards, and the circus artistry is impressive. But Andrew Lloyd ...

You scrambled up a Rubik's cube, and now you want to put it back in order. What sequence of moves should you make?