If psychology interests you, you have something in common with the ancient Greek philosophers. They asked questions about the life of the mind: What is the relationship between mind and body? How can we tell if the world is really the way we think it is?

Today's psychologists study all sorts of fascinating questions, such as the following: Why is learning a language as an infant easier than as a teenager? What are the roots of violence? What is the best way to help someone with an eating disorder like anorexia?