An optical illusion is a visual phenomenon where the brain interprets images differently from how they actually appear. These illusions occur due to the way our eyes and brain process light, colour, ...

Most people will only go out of their way to do an IQ test for fun, quickly finding a free online test to see how smart they really are. Then there are those who feel they are smarter than the average ...

You’ve seen those IQ tests online and you probably wonder who makes them. Well now you can actually become the test inventor rather than test taker in a new project from the M.I.T. Center For ...