Sometimes the best optical illusions take us by surprise, and this mind-bending Mario illusion has certainly ruffled some feathers online. If you’re an optical illusion fan you might be familiar ...

this fascinating black-and-white image was created by vision scientist Antony Norcia at a research institute in San Fransisco - debuting as a finalist in the 2006 Best Illusion of the Year Contest.

Your brain is probably unsure which to choose, so flits back and forth. Mask of Love won the Best Illusion of the Year award back in 2011. "This kind of illusion, where the viewer experiences two ...

Test your keen perception with this optical illusion challenge that dates back to ancient Greece. Discover how our brains ...

The three-time winner for Best Illusion of the Year has produced 500 mathematically-designed deceptions to date. The brain cannot fathom how an optical illusion can manifest in real life ...

The Best Illusion of the Year Contest chose a mind-boggling winner in its 2020 competition. Schröder staircases are usually two-dimensional illusions that play with perspective reversal.

In Auditory Illusions, Trevor Cox investigates sounds that trick the ear to find out how they are used in music. Here are the five best auditory illusions and what they tell us about how the brain ...

The Best Illusion of the Year Contest chose a mind-boggling winner in its 2020 competition. Schröder staircases are usually two-dimensional illusions that play with perspective reversal.