Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

Optical illusions have gained a lot of popularity recently, as they get our brain to exercise, and can be the perfect test of ...

Optical illusions have gained a lot of popularity recently, as they get our brain to exercise, and can be the perfect test of ...

New research has analyzed human reactions to several optical illusions in which a black mass appears to expand before someone’s very eyes, the New York Times reported. These kinds of static images ...

An optical illusion that claims to reveal your personality type has infiltrated TikTok, causing a mixed response among users. The odd image presents as either a vine of grapes or a clump of gummy ...

Our brains create false perceptions through these illusions, which make us see things that do not exist while they distort ...

How optical illusions work has been long-debated among scientists and philosophers, who wonder whether these illusions stem from neural processing in the eye or involve higher-level cognitive ...

Many of you, daily wise try to solve various puzzles to sharpen your observation skills with boost-up IQ. But are these ...

Spot the hidden number 3 in a 9-second brain teaser optical illusion that tests observation, IQ, and visual perception skills ...

Expand the image above to fill your screen and stare at the black blob in the center. (You can also find the original version here.) Most people perceive the blob as ...

Test your hawk-eye vision by spotting the hidden raccoon among cats in 13 seconds with this visual illusion challenge.