Duck or rabbit? Joseph Jastrow’s illusion has been foxing philosophers, psychologists and Elmer Fudd ever since it was created in 1899. Now the puzzler has made its way into the food world, courtesy ...

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 ...

It’s a venerable optical illusion, one of my favorites: look at it one way and it’s a rabbit, look another and it’s a duck. Here some crafty taxidermist has recreated the effect in real life; although ...

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, ...

Is this a rabbit or a duck? The 124 year-old drawing first appeared in a German magazine in 1892 under the title "Kaninchen and Ente" – Rabbit and Duck. According to The Mirror, children who saw the ...