Optical illusions are more than just visual puzzles, they are powerful tests of how your brain processes information, detects ...

Our brain and eyes can play tricks on us—not least when it comes to the expanding hole illusion. A new computational model ...

For those that love optical illusions – and a good explanation for the mind-bending properties of them – finding one you haven't seen before is a real treat. And that's just happened with this (I ...

Do you have a sharp eye? This optical illusion is the best way to put your observation to the test! Only sharp-eyed and very clever people can spot the hidden mouse in the kitchen within nine seconds.