Do newborns think? Do they know that "three" is greater than "two"? Do they prefer "right" to "wrong"? What about emotions--can newborns recognize happiness or anger? If the answer to these questions is yes, then how are our inborn thoughts and feelings encoded in our bodies? Could they persist after we die? Going all the way back to ancient Greece, human nature and the mind-body problem have been the topics of fierce scholarly debates. But laypeople also have strong opinions about such ma...