THIS is the brainteaser that challenges you to find the hidden policeman watching the boys. Everyone can see the little ...

An optical illusion has boggled minds as people ... It adds: "Even though the hidden face is also upright, turning your screen upside down while covering the right eye and nose can sometimes ...

The more upside-down the image, the less likely people ... pages 937–942 4. There's a great optical illusions website which has a rotatable online version of the original Thatcher image 5.

However, the key to getting to the bottom to the optical illusion is looking at the image from a different angle. If you are looking at the image from your phone, turn it upside down to decipher ...

Optical illusions are proven tools to understand ... It can either be the face of a young princess facing upside down or the face of an older woman. Let’s look at what that means.

The image, by Canadian photographer Thomas Vijayan, is called The World is Going Upside Down. It beat 8,000 entries from around the globe to win the top prize of £1,500. "Thomas's image is really ...