Your teeth carry secrets: centuries of history about your ancestors, from where they lived to what they ate and where they traveled. Bioarchaeologist Carolyn Freiwald traces the story of human migration across the Americas -- from Mayan royalty and Belizean buccaneers to rural Appalachian farmers -- to illustrate what ancient teeth can reveal ab...

Every family has a migration story, whether it is from two years ago or two hundred. Archaeologists – who use chemistry as well as trowels – have discovered that ancient teeth tell the same story: migration has existed in every culture across the globe and is a key part of what makes us human.