The new illusion looks simple, showing intersecting grey lines on a white background. But looking closely starts it moving – and though there are actually 12 black dots in it, it’s only ...

Now you see them, now you don’tIn this optical illusion, the black dot in the center of your vision should always appear. But the black dots around it seem to appear and disappear. That’s ...

THIS stunning optical illusion artwork shows four movie characters in one frame - what celebrities can you see? The mind-boggling canvas shows the faces of four Marvel characters painted onto ...

We trained one group of bees to always choose the larger black square on a square white background and another group of bees to always choose the smaller black square on a square white background.