An optical illusion showed a bird hidden among tyres in a junkyard, challenging users to spot it within 4 seconds.

TAKE a free personality test by looking at this image – you might find out that you are kind-hearted. Depending on what you ...

Ready to stretch your brain and challenge your vision? This clever optical illusion is hiding two cats, and it’s fooling most ...

Have you ever looked at a picture for a couple of seconds, only to discover there's more to it than you see? Optical illusions are able to deceive our brains, causing us to wonder what we're really ...

The internet has always been captivated by optical illusions, with countless viral challenges making their rounds across social media platforms. From mind-twisting images to puzzles designed to ...

Medical imaging experts are adept at solving common optical illusions, according to research from four UK universities, including the University of ...

Optical illusions ... at seeing through illusions? We found it does. We studied 44 radiologists, compared to over 100 psychology and medical students. Below is one of our images.

Medical imaging experts are adept at solving common optical ... illusions, according to research from four UK universities, including the University of East Anglia. The correct analysis of medical ...