Thank you OK Go for making our heads spin and reminding us everything is not as it seems. OK Go, the guys that made treadmills cool, have been known for their skillful and trippy music videos since ...

Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.

Our eyes can frequently play tricks on us, but scientists have discovered that some artificial intelligence can fall for the same illusions. And it is changing what we know about our brains. When we ...