If you’ve ever had trouble solving a Rubik’s Cube, a good piece of advice is to break it down into steps. It’s worth a shot: That advice is from the man who invented it. “Problem solving is a very ...

From square one, 8-year-old Everett McCauley is learning to think outside the box in order to solve one. A third-grader at Bamber Valley Elementary School, Everett is a “cuber” who can solve a 2-by-2 ...

This week, 14-year-old Lucas Etter set a new world record for solving the classic Rubik’s cube in Clarksville, Maryland, in the US, solving the scrambled cube in an astonishing 4.904 seconds. The ...

If there are nine people in a room and every person shakes hands exactly once with each of the other people, how many handshakes will there be? How can you prove your answer is correct using a model ...