The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of ...

Today we have a fun optical illusion to test your visual acuity. Will you be able to find a snake cleverly hidden among ...

Optical illusions are a source of entertainment and can be a fun way to test your perception in a few seconds. Optical ...

Test your cognitive skills with this quick IQ challenge! The image presents a seemingly normal windy day at the park, but a ...

The most famous packing problem concerns spheres. In 1611, the astronomer Johannes Kepler proposed that the densest way to ...

Ollie Pope punched the air and raised his bat to Ben Stokes on the players’ balcony after reaching a century that justified ...

The Samsung Galaxy S25 Edge is impressive to look at, but doesn't seem to add up to more than the sum of its parts.

American psychologist Joseph Jastrow made this illusion in 1899 – to make a point about how the brain perceives what is in ...

A hidden rabbit in a forest fence photo puzzled Reddit users as they struggled to spot the camouflaged creature in the optical illusion. Optical illusions have a unique way of stopping us in our ...

An engaging optical illusion challenges viewers to find a hidden animal within six seconds, testing observation skills and ...

In a world increasingly dominated by fast content and fleeting trends, one thing that continues to captivate people of all ages is a good optical illusion. These brain-teasing images don’t just ...

Visual illusions are mind-bending pictures that challenge our perception and improve cognitive function. ... Optical Illusion: Only an eagle-eyed person can spot the odd horse in this picture.