From colour-changing fire trucks to 'The Dress', many optical illusions have baffled the internet over the years. Now, a scientist from Harvard Medical School has discovered an illusion that might be ...

OMAHA — These days, the Tudor home of Ruth Huebner-Brown and Jason Brown looks like the headquarters of a wholesome, Seussian cult. One dot, two dot; blue dot, blue dot. There’s a giant one nestled in ...