Cross-cultural research suggests that there are about half a dozen basic facial expressions in humans, such as happiness, sadness, fear, surprise, anger, and disgust. Around the world, people are very ...

Scientists have found out that test subjects almost always perceive the facial expression on Leonardo da Vinci's famous painting as happy, thus calling into question a long-held assumption in art ...

Dogs are able to recognize human facial expressions, a new study determined. Canines can tell the difference between happy and sad human faces. This is the first time that a species, other than human ...