Test your focus with this viral optical illusion! Can you find the number 87 hidden among the 78s? Boost your brain power with this 7-second visual challenge now!

Optical illusions come in all forms, from mind-melting artwork to photography trickery, but there's one style that never fails to perplex the internet – the humble colour illusion. Fooling the brain ...

Optical illusions come in all forms, from mind-bending physiological phenomena to confusing cognitive images, but one variety that doesn't get nearly enough love is the humble ambigram. While these ...

Optical illusions come in all forms, from mind-melting artwork to photography trickery, but there's one style that never fails to perplex the internet – the humble colour illusion. Fooling the brain ...

What is an Optical Illusion? An optical illusion is a visual phenomenon where the brain misinterprets what the eyes see.

What Is an Optical Illusion? An optical illusion is a visual phenomenon where the brain misinterprets what the eyes see.

Thanks to a handy psychological trick, one man claims he can tell if you’re shy and quiet or confident and stubborn in mere seconds. The insight doesn’t come from asking you deep questions, though – ...

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 ...

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 ...

Viewers have been left stumped trying to determine how many shapes are in this photo. This optical illusion creates a series of triangles, squares and lines, but most viewers are shocked to learn that ...

Vincent van Gogh’s The Starry Night is arguably the most famous and widely appreciated painting ever. But have you ever seen it move? Now you can, thanks to this wild, but simple, optical illusion.