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 ...

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 ...

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, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Andriy Onufriyenko via Getty Images Though optical illusions come in all shapes and ...

A new personality test is trending online. It uses optical illusions to reveal hidden personality traits. The test involves looking at an image that can be seen as either a duck or a rabbit. Seeing a ...

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 ...