Illusions aren’t just fun to look at — they reveal how your brain really works. One famous image, which looks like both a duck and a rabbit, shows how your mind makes choices without you even noticing ...

In 1785 English philosopher Jeremy Bentham designed the perfect prison: Cells circle a tower from which an unseen guard can observe any inmate at will. As far as a prisoner knows, at any given time, ...

Have you ever wondered how your brain creates thoughts or why something randomly popped into your head? It may seem like magic – but actually the brain is like a supercomputer inside your head that ...