I am a scientist. This occupation affords me the opportunity to try to understand a small part of the natural world. I am also a professor. This occupation allows me to explain to others my findings in the context of the fields in which I work, animal behavior and evolution. My audience is usually college students and other scientists, although I often present lectures to a more general audience and quite frequently explain what I do to friends and family who do not have a background in science. I usually find that regardless...