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 ...

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.

Even if you don’t like sports, there are many sports logos with which you may be familiar. But here’s the thing: even if you DO like sports -- even if you instantly recognize a myriad of logos and ...