Italian designer Gianluca Gimini asks people to draw bicycles, then turns them into comical digital renderings. Quick. Draw a bike. Don’t look at one first, just draw one. Done? Okay, now step back ...

Let's face it: drawing circles is hard. Our minds are programmed to love the symmetry of the shape, but our hands just can't make it perfect. We're so inadequate at drawing circles, scientists have ...