Readers are challenged to spot the odd number in a grid filled with the number 278. The puzzle tests attention to detail and pattern recognition. The brain's pattern recognition may cause difficulty ...

Optical illusions are visual puzzles that are designed in such a way that they can cause the brain to interpret what it sees differently from physical reality. These illusions don't mean that there is ...

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 ...