Scientists are studying whether or not dogs are empathetic.
In spite of recent research on the subject, when and how babies learn sympathy is still something of a scientific mystery.
Brain studies are making scientists look at human interaction in a whole new light.
While the communicability of the yawn is not one of the most pressing issues in modern medicine, scientists still have few clues about why it happens.
What do IQ tests really measure? Find out what psychologists think, on this Moment of Science.