How do we learn? What is memory? How do we know how to behave? The formal study of psychology as a scientific enterprise began in Germany in the late 19th century but the observation of human behaviour dates back to Ancient Greece....

What is truth? How can I lead an ethical life? Do I have free will? Throughout history, the world\"s great thinkers have sought to answer the most profound questions about our universe and have created compelling new ways of thinking....