This short video uses a moving optical illusion to create a strange aftereffect. Viewers are told to stare at a red dot until ...

An optical illusion featuring an old man and a hand reveals emotional states. Seeing the old man first suggests carrying ...

A TRICKY optical illusion is baffling the internet – and it’s said that only two per cent of people can see what’s hidden in ...

The mind is a powerful thing and it can make you see things that aren’t really there. An artist has people scratching their heads as she created a mind-bending illusion. The artist, who simply goes by ...

An optical illusion is leaving internet users scratching their heads, with claims that a mere two per cent of viewers can identify the concealed objects lurking within this perplexing puzzle. Optical ...

But you might be surprised to learn that this is an optical illusion that long predates the smartphone. Known as Pepper's ...

Like humans, octopuses can fall for the rubber hand illusion and believe that a fake arm is theirs. This suggests they have a sense of their own body, just as we do. The rubber hand illusion is a ...

In the past few years, the internet has given us The Dress, a photo of a mysterious missing leg, and this disorienting floor design. If you're still hungry for more, INSIDER rounded up a mix of ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A real-life optical illusion has gone viral after being posted to ...