Go grab a pen and some paper and try this: Using only your memory, draw a bicycle. You have two minutes. Gianluca Gimini has over the past six years asked more than 500 people to do exactly this.

Art students work for years to learn to create good portraits that capture the likeness of a subject. Even among trained artists, it takes a special talent to draw faces accurately. This problem ...

If you were asked to draw a picture of your grandparents’ living room from memory, could you do it? For most people, certain details are easy to visualize: “There’s a piano in the corner, a palm by ...

If the brain could brag that’s pretty much all it would do. It’s easily the most complicated organ in your body, and, more than that, the nimblest computer that has ever existed. But the brain has a ...