Book excerpt: Covers the latest competing theories in the field Get a handle on the fundamentals of biological and cultural anthropology When did the first civilizations arise? How many human languages exist? The answers are found in anthropology - and this friendly guide explains its concepts in clear detail. You'll see how anthropology developed as a science, what it tells us about our ancestors, and how it can help with some of the hot-button issues our world is facing today. Discover: How anthropologists learn about the past Humanity's earliest activities, from migration to civilization Why our language differs from other animal communication How to find a career in anthropology