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, ...

There’s little that Internet denizens love more than a snazzy personality test—cat videos, maybe, or perpetual outrage. One trend that has gained popularity over the last several years is personality ...

Remember the duck-rabbit illusion? Source: Wikipedia Commons It can be seen both as a duck and as a rabbit. If you first see it as a duck and later notice that it can also be seen as a rabbit, your ...