Some say the reason most manhole covers are round is that a circle cannot fall through a smaller circular hole. Which of these other two-dimensional shapes cannot fall through a hole that is the same ...

Step into this fun 17-second optical challenge and test how sharp your eyes really are. This colour-themed puzzle hides a few odd numbers, and only people with strong vision and quick observation ...

A math puzzle is a type of brain teaser that tests the reader's critical thinking and problem-solving skills by challenging ...

It was the worst summer in years. Sechita McNair’s family took no vacations. Her younger boys didn’t go to camp. Her van was ...