The duck-rabbit image above is one of the most iconic in philosophy – so iconic that a former undergraduate of mine had it tattooed on his leg. So what’s philosophically significant about this dot and ...

Is this a rabbit or a duck? The answer you give to this classic optical illusion says a lot about your brain, psychologists claim. It first appeared in a German magazine in 1892 under the title ...

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 ...

When you look at this drawing, do you see a rabbit or a duck? According to psychologists, the animal you see in this 100-year-old optical illusion can give clues to how your brain works and how ...

14:23, Mon, Feb 15, 2016 Updated: 15:46, Mon, Feb 15, 2016 The tried and tested old teaser has been used by psychologists to understand more about the viewer - and the internet is loving it.