Finding hidden images in optical illusions is an effective mental exercise that challenges your cognitive functions while ...

Test your observation skills with this optical illusion IQ challenge that claims only people with a High IQ 141 can find the two hidden cats. Designed to improve focus, visual perception, and logical ...

Our eyes can frequently play tricks on us, but scientists have discovered that some artificial intelligence can fall for the ...

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

An Optical Illusion is a type of visual illusion puzzle which is used for fun and challenge. These types of illusions often ...

The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of human perception. By Katrina Miller Take a look at this video of a waiting ...

Your eyes swear one thing is happening, but your brain keeps tripping over the truth. These optical illusions mess with depth ...

A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism which appear to change shape when viewed from three different directions. Those are the top ...

CLEVELAND, Ohio — With National Puzzle Day coming up on Jan. 29, Clevelanders have the perfect excuse to give their brains a ...

A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism that appears to change shape when... Optical illusions are a brain feature, not a bug. Here's ...