Kevin Parry created a simple, yet maddening optical illusion: he made it look like ... that it required nothing more than an iPhone and a mirror. Story by Ian Phillips and editing by Carl Mueller ...

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

Optical illusions aren't just visual trickery; they're brain boosters that stimulate problem-solving and encourage creative thinking. This synergy between our cognitive functions and optical ...

A moth found in northern Australia and South-East Asia has an astonishing camouflage trick: it creates an optical ... These produce mirror-like reflections that create the illusion of highlights ...