Brain teasers are one of the best puzzles to test the sharpness of the brain. Readers must think creatively to solve brain ...

Given our political climate, any serious discussion is at risk of going off on a tangent. The post Math Puzzle for July 25, ...

Challenge your brain with this tricky math puzzle! Test your IQ, boost your problem-solving skills, and see if you can solve ...

How was the slice made? If the cube’s side is half an inch, what is the side of the hexagon? After dropping the cube into his coffee, the engineer turned his attention to a doughnut lying flat on a ...

Find one million consecutive positive numbers, none of which are prime.

You and a friend have arranged to meet at a popular downtown mall between 3 p.m. and 4 p.m. one afternoon. However, you neglected to specify a time within that one-hour window. Therefore, each of you ...

— Live Science crossword puzzle #2: Pigment in plants where photosynthesis occurs — 13 across ...