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

It's quite a tall order trying to crack this tricky brainteaser in less than 10 seconds - but there is a little known hack ...

This optical illusion is quite hard to see taking some people up to 10 minutes to see the second face." READ MORE: Dog ...

You have to see it to believe it—or not. Welcome to Where to Wander, our selection of the best under-the-radar destinations ...

Psychologists at The University of Glasgow found that staring at an optical illusion can improve eye sight by allowing you to ...

It is tough to spot the hidden number within the distortion at first glance. Hurry up; the clock is ticking. This time, try ...

Ready to test your detective skills? In this optical illusion IQ test, spot the hidden button in just 7 seconds. Only those ...

Optical illusion personality tests are strange images with one or more elements which trick the eye, thus acting as illusions ...