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, ...

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