Imagine Jo: Everyone in Jo's life recognizes her as an outstanding problem solver. She's the type of person who seems capable ...

When I was in middle school, I had a classmate who would look at trigonometric functions and yell, "I will never need these!" ...

Test your problem-solving skills with these 62 lateral thinking puzzles. They’ll challenge you to think out of the box to ...

Plastic pervades modern life, and menstruation is no exception. Since the middle of the 20 th century, many tampons and menstrual pads have contained somewhere between a little and a lot of plastic in ...