IQ tests are a great way to test the intelligence of an individual. By challenging your mind, these puzzles improve your ...

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

At a September 2025 conference, Adam Harper, a number theorist at the University of Warwick in England, presented a proof of ...