Humankind

Where did the human species originate, why are tropical peoples much more diverse than those at polar latitudes, and why can only Japanese peoples digest seaweed? In Humankind, U. C. Davis professor Alexander Harcourt answers these questions and more, as he explains how the expansion of the human species around the globe and our interaction with our environment explains much about why humans differ from one region of the world to another, not only biologically, but culturally. What effects ...