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 ...

Some toys never go out of fashion. Celebrating its 50th anniversary this year, Rubik’s continues to be the most popular puzzle cube brand in the world, with around 500 million sold, according to Yahoo ...