Draw four lines beginning and ending at the gray points to break this square into pieces that can be rearranged into five identical squares. Bonus: Suppose you can use any number of lines that begin ...

Try your hand at these tricky visual puzzles and give your brain a boost!

The inside of a bus may not seem like the ideal place to rekindle your interest in math, but a group of mathematicians is betting it will. Last month, the Mathematical Sciences Research Institute of ...

Divide this figure into three parts that can be arranged into a square. The parts must not be folded over to make their current back the front, they must not overlap, and there must not be any gaps in ...