“Find the hidden objects” puzzles seem straightforward enough. How much searching do you really need to do to pick out something totally unique, like a dog, a turtle, or a hat? Well, throw in lots of ...

Optical illusions are images that trick our eyes and brains. They make us see things differently from how they are. Sometimes, we may see a shape or object that is not there, or we might notice hidden ...

An optical illusion is a fascinating visual trick that deceives the brain into seeing something different from reality. These illusions occur when the information our eyes send to the brain is ...