A brain Tease is a visual phenomenon where our perception of thinking about an image differs from objective reality. This ...

A new brain teaser challenges viewers to find three subtle differences in two nearly identical images of a man drinking ...

Only geniuses can spot all 5 hidden cats in this Vintage Room Optical Illusion! Test your IQ, observation, and vision skills ...

A brain teaser is like a fun little challenge for your mind. It’s a puzzle or riddle which is designed to make you think ...

Test your observation skills with this Optical Illusion Challenge — can you find the different number hidden among similar ones in just 9 seconds? Only the sharpest eyes will spot it in time!

Stare at this trippy optical illusion for just half a minute, and you'll start to see things that aren't really there.

Test your IQ with this tricky brain teaser! Spot the hidden number '788' among the '789' sequence in 11 seconds to prove your genius.

Take a look at the picture given below, which is of a ground full of bonfires. However, among all the bonfires, you have to ...

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 ...

Brain teasers are a great way to boost your cognitive abilities. Like the old saying goes, "use it or lose it," and studies show that games that specifically engage your brain can help improve your ...

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 ...