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 ...

This mind-bending illusion tests your perception of depth and dominance. Whether you see the man in red or grey on top ...

A stereogram optical illusion is a fascinating visual puzzle that hides a 3D image within a 2D pattern. At first glance, it ...

Can you spot all the hidden bears in this Snowy Mountain Optical Illusion? Test your IQ, observation, and visual perception ...

Test your Matrix-Level Vision with this village scene optical illusion. Only 1% can find all hidden hearts within 9 seconds. Sharpen your IQ and observation skills!

Our perception of how large or small things are in the world is systematically influenced for how we perceive distance or depth. This is most famously shown by the Ponzo Illusion (discovered by Mario ...

Dr Maria Santacà describes how not only how fish and birds perceive their worlds, but also how ecological pressures shape the ...

You have to see it to believe it, they say. But can we really trust our eyes? The answer is not quite. It was found that our eyes can trick our brains into believing things that aren’t there and vice ...

BUT WHAT IF YOUR EYES DECEIVE YOU? TAKE THIS PICTURE OF MARILYN MONROE. OR IS IT ALBERT EINSTEIN? TONIGHT WE PULL BACK THE CURTAIN ON THE IMPOSSIBLE. DO THESE TWO TABLE TOPS LOOK DIFFERENT TO YOU?

Perception researchers have discovered many illusions where context affects perceived size and distance. A great example of this is the Ponzo illusion (reviewed in an earlier blog post). The Ponzo ...

Hannah Hampton was not supposed to make it as a professional athlete. The doctors told her it would not be possible. That professional sport was not meant for someone like her. In Hampton’s case, ...