Illusion is derived from the Latin verb illudere, which means to mock or trick. Our brains tend to fill in the gaps in ...

Only those with excellent observation skills can find the hidden koala among the pandas in this optical illusion image. Can you beat the 11-second timer? Test your visual acuity now!

Optical illusions have always fascinated the human mind, challenging our perception and cognitive abilities. Some illusions trick the brain into seeing movement where there is none, while others test ...