Optical illusions aren't just for humans; animals also experience and utilize them for survival and reproduction. From ...
A new discovery has unraveled why we sometimes see colors that aren't there. The phenomenon of "color afterimages" is when ...
This mind-bending optical illusion hides the number “22” among rows of red “44s.” Only the most observant can spot it in under 6 seconds, can your eyes pass the test?