The theory that our universe is contained inside a bubble, and that multiple alternative universes exist inside their own bubbles – making up the ‘multiverse’ – is, for the first time, being tested by ...

A Visual brain teaser is a type of puzzle or problem that requires clever and unconventional skill and top-level observant skill to solve these types of brain teaser IQ Test. It could be a riddle, a ...

A visual challenge, the 'Spot the 409' test, requires participants to find a single '409' amidst numerous '406's within seven seconds. This exercise highlights how visual crowding can make subtle ...

Albert Einstein’s theory of general relativity has been remarkably successful in describing the gravity of stars and planets, but it doesn’t seem to apply perfectly on all scales. When you purchase ...