This class is an introduction to physical anthropology, but for many it will be your first anthropology class, or perhaps your first science class in college, so it is worthwhile to back up and introd...This class is an introduction to physical anthropology, but for many it will be your first anthropology class, or perhaps your first science class in college, so it is worthwhile to back up and introduce both science and anthropology. And before talking about science, we should back up even farther, and talk about epistemology, the study of how we know things.