Maybe we watched too many horror movies as kids, or maybe it's just an evolutionary advantage to be wary of danger when it isn't necessarily there, but we can all remember that sudden feeling of ...

I've seen my fair share of optical illusions, so nowadays it takes a lot to stump me but this baseball player optical illusion has my mind well and truly boggled. Featuring a simple illustration of a ...

Five years ago we published an optical illusion that millions of you were completely bamboozled by, and today I've found a brand-new version of that illusion. Of course, I'm referring to the rotating ...

Optical illusions have fascinated humans for centuries, tricking our minds into seeing things that aren’t always there. These visual puzzles challenge the brain’s perception and interpretation of ...

Psychologists have long been interested in how people interpret ambiguous, bistable images, such as the examples below. Bistable images. Top left: faces or a vase. Top right: rabbit or duck. Bottom ...