The peripheral drift illusion causes us to perceive motion in a still image. A new study shows that the mechanism of this illusion relies on changes in pupil size.

Scanning row-by-row or column-by-column helps find the odd '508' in a puzzle of similar numbers. This exercise boosts memory, concentration, and menta ...

A new optical illusion eye test is challenging people to find a hidden 508 among a sea of 503s and 305s in just 10 seconds. This brain teaser tricks your perception using visual crowding and pattern ...

Ever wondered why some people can spot tiny details instantly while others struggle? It all comes down to how efficiently ...

To test your faultless vision and your ability to pick out the tiniest of details in an image, Ubuy’s new baffling puzzle is ...

Optical illusions have intrigued humankind for centuries, providing an excellent means to push the boundaries of visual ...

This picture puzzle brain teaser is designed to test your sharp observation skills and intelligence. Try it now and challenge ...

Optical illusions continue to fascinate the internet, offering a fun yet brain-twisting challenge for those who enjoy testing ...

Whether you're a casual puzzle solver or someone who loves testing their brainpower, this parrot-mango illusion is another reminder of why optical illusions never fail to intrigue the internet.

Optical illusions challenge our perception, and this sunflower garden puzzle is no exception! A lone buzzing bee is cleverly ...

The puzzle, which has captivated high IQ individuals worldwide, challenges our perception and attention to detail, offering ...