Is this a rabbit or a duck? The answer you give to this classic optical illusion says a lot about your brain, psychologists claim. It first appeared in a German magazine in 1892 under the title ...

The internet is still not done fighting over math problems and optimal sleeping temperatures, but today brings yet another tweet that’s specifically designed to stoke fierce debate. In the video below ...

A drawing from 1899 is sparking debate on social media and could shed light on how your brain works. In the following drawing, do you see a duck or a rabbit? Can you see both animals? According to The ...

Ever since it was published in 1892, the rabbit-duck illusion has been perplexing viewers with its remarkable ability to shapeshift. Does it show a rabbit and then a duck, a duck and then a rabbit, ...

Researchers have discovered new variations of an illusion created when we see three rapid flashes in our side vision. Regardless of the position of the second flash, the illusion causes the brain to ...

As humans, we can all interpret and perceive things differently. Brain teasers and puzzles have the ability to draw out our strengths and weaknesses, but people might not know that they can also flag ...

Your eyes and brain don’t always agree with each other. Sometimes your brain fills gaps, ignores details, or assumes patterns that aren’t really there. That’s exactly why optical illusions feel so ...