Optical illusions come in all forms, but the good ol' fashioned accidental photo illusion has to be my favourite variety. From perplexing perspectives to that iconic blue (or is it gold?) dress, photo ...

The study of visual illusions in animals provides a compelling window into both the evolutionary continuity and diversity of perceptual processes. Research indicates that many species, from domestic ...

Optical illusions are created by modifying images in such a way that they trick our visual system into believing what it is seeing is real. These illusions have been around for centuries and are also ...

The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...

We preselected all newsletters you had before unsubscribing.

An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality.

A new challenge from Reddit is testing sharp eyes as a feral cat blends perfectly into a dense woodland scene.

A brown jacket and small two-toned T-shirt hang side by side on a washing line. Together, they form the unmistakable shape of a cow standing in a vast golden field. The sleeves hang like legs, and the ...

A Motion Optical Illusion is a type of optical illusion where a still image appears to be moving, even though there is no actual motion. This illusion tricks the brain due to contrasting colours, ...