The New York Times:
Picture a tennis player in the moment he scores a critical point and wins a tournament. Now picture his opponent in the instant he loses the point that narrowly cost him the title. Can you tell one facial expression from the other, the look of defeat from the face of victory?
Try your hand at the images below, of professional tennis players at competitive tournaments. All were included in a new study that suggests that the more intense an emotion, the harder it is to distinguish it in a facial expression.
Read the whole story: The New York Times