The five physical senses (sight, smell, hearing, taste, and touch) are all functions of the body. They require a body and a brain in order to exist, and without these there is no experience of what we call the senses. But is this all there is to us? When we die, does all human...

The ancient proverb says, “The eyes are a window to the soul.” Scientists and researchers agree: Our eyes reveal a great deal about what’s inside us, both physically and emotionally. For instance, our pupils change size—shrinking or enlarging— in response to our level of...