Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Illusions like these mess ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism which appear to change shape when viewed from three different directions. Those are the top ...

Optical illusions aren't magic—they are the literal processing glitches of your own nervous system. This video forces your ...

The regular Short Wave science roundup covers mysterious red dots in space, the neurons behind optical illusions and a study of octopus arms. It's time now for our science news roundup from Short Wave ...

Last August Hinnerk Schulz-Hildebrandt noticed something strange while he was looking at a flight map on his phone. As his eye traced the plane’s flight path, he noticed that the line looked purple, ...