Optical illusions are going viral these days. One challenge that is grabbing attention online will perfectly test your ability to pay attention to detail. In the optical illusion, the word ‘sand’ ...

Medical imaging experts are adept at solving common optical illusions, according to new research. The research is the first to show that people can be trained to do better at solving visual illusions, ...

In this Ebbinghaus illusion of relative size perception, the orange circle on the left looks bigger than the one on the right - but it is actually 10 per cent smaller. In a new study, medical imaging ...