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, ...

Check out the drawing below, which was published around 1892 in a German magazine. Do you see an animal? Do you see two? According to a psychologist, your ability to flip between seeing a rabbit and a ...

More than 100 years after it was first sketched, an image still depicts either a rabbit or a duck – depending on how quickly and creatively your brain works. Recently making rounds on social media is ...

We’re 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 hand ...

Psychologists have long used ambiguous images like this to study perception and cognition. In one controlled study, participants who could toggle between the rabbit and the duck without effort tended ...