When I was in high school, my friend switched sodas on me one day. I thought I was taking a swig of Coca Cola, but he had replaced it with cream soda. I immediately spit it out, thinking it tasted ...

Get ready to challenge your perception with these mind-bending optical illusions! Your eyes may see one thing, but your brain ...

It's a funhouse for our perceptions, built for the TikTok age. But the visual tricks are windows into how the mind works, and they fascinate scientists. "The brain uses all the information it can get ...

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 ...

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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 ...

A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

Optical illusions have long fascinated scientists, artists, and everyday viewers. These visual puzzles can make stationary objects appear to move, straight lines look bent, or colours seem to change ...

Chances are you’ve encountered some version of the “Ebbinghaus illusion,” in which a central circle appears to be smaller when encircled by larger circles and seems larger when surrounded by smaller ...

What colour are the dots in this image? A mind–boggling optical illusion has been developed by scientists to show how our perception of colour can be easily skewed. At first glance it may seem like a ...