Optical illusions are hugely popular on TikTok, and it feels like every week a new video goes viral on the app. From mind-bending mirror tricks to classic op-art puzzles, it's clear that optical ...

It's time now for our science news roundup from Short Wave, NPR's science podcast. I am joined by the show's host, Regina Barber, and producer Rachel Carlson. Good to have you both here. RACHEL ...

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 ...

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.