Editor’s note: This story originally appeared on The Washington Post’s Kids’ Post page of stories for young readers. WASHINGTON — If you’ve ever tried to solve a Rubik’s Cube (and, like most people, ...

The brain twister that is the Rubik's cube has not only befuddled many people that have tried to solve it, but it has also stumped mathematicians. Earlier this year, researchers deciphered the classic ...

A carpenter, working with a buzz saw, wishes to cut a wooden cube, three inches on a side, into 27 one-inch cubes. This can be easily done by making six cuts through the cube, keeping the pieces ...