Science Your perception of this graph is a graph of your perception David Pescovitz

optical illusions Impossible objects, explained David Pescovitz

Weird Does this baby have a man's head? David Pescovitz

optical illusions Cool animated examples of the Muller-Lyer illusion Mark Frauenfelder

Science Why you might see flying boats David Pescovitz

art Mesmerising stroboscopic Easter egg designs Rob Beschizza

art Behold these trippy optical illusion centerpieces Andrea James

art Incredible collection of 3D drawings that appear to rise out of the paper David Pescovitz

Kids Watch a camera and helicopter cycle in perfect synchronicity Andrea James

books Quiz: pancake or moon? Andrea James

math Hypnotic illusion gifs show the beauty of math Andrea James

optical illusions A fantastic chair Jason Weisberger

Science This head-spinning optical illusion will melt your brain David Pescovitz

picks Optical illusion or ghost dog? Jason Weisberger

optical illusions Jesus turns his head to watch you on this gravestone Mark Frauenfelder

optical illusions The Coffer Illusion – how many circles do you see? Mark Frauenfelder

optical illusions Here, have a 3D banana gif Mark Frauenfelder

optical illusions This video explains why craters sometimes look like hills in photographs Mark Frauenfelder

optical illusions Here's an animated GIF that explains why that f*cking dress is so confusing Mark Frauenfelder

optical illusions An endlessly spinning distraction Jason Weisberger