Bowerbirds create stages that make them look bigger to potential partners. Fish and butterflies can flash what looks like a large, staring eye to intimidate predators or deflect attacks. Male peacock ...

In this optical illusion, you can see two trees with lots of vegetation in the background. The challenge is to find three hidden faces in this image. It is a big challenge because of several elements ...

Optical illusions have always fascinated me because they reveal how easily our brains can be tricked by simple patterns, ...

Is reality an illusion? Whatever the case may be, our brain has a nasty habit of playing tricks on us, bending objective reality into the subjective. Scientists have just solved the mystery behind one ...

Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.