Optical illusions are powerful IQ tests that reveal how sharp your observation skills are! These cleverly designed images ...

A contest to design a sound-only magic trick could help psychologists learn about differences between visual and auditory perception.

Optical illusion images are fun yet challenging and they are known to be beneficial for your brain. These images help to ...

This latest brainteaser shows two pictures of hedgehogs - but you have ... The University of Glasgow found that staring at an ...