Most people would say: good day. He seems a little more smiley than not. That's because, says science writer Sam Kean, when we look at somebody, the left side of that person's face is more ...

From happy, to sad, we can make lots of different faces, depending on how we feel. Let’s draw some. First, try holding your pencil in a tripod grip or something that feels comfortable.

In a recent study, Dr. Jennifer Day and I explored the question of whether naïve participants (not trained in drawing) would produce more accurate face drawings when presented with upside-down vs ...