This optical illusion explains how our eyes and brain together interpret what we observe. Yet at times, they become somewhat confused, and that’s when the real trick starts. If you see the duck, you ...

More than a 100 years after it was first sketched, a drawing has sparked huge reaction after being shared on social media. Some see a rabbit and others will see a duck - but are you able to see both ...

The duck-rabbit illusion, originating from a German magazine in 1892 and later referenced by Wittgenstein, demonstrates how perspective shapes perception. Seeing either animal first reveals cognitive ...