Origin A Genetic History of the Americas

Jennifer Raff, Tanis Parenteau

eAudio - 2022

From celebrated anthropologist Jennifer Raff comes the untold story—and fascinating mystery—of how humans migrated to the Americas.Origin is the story of who the first peoples in the Americas were, how and why they made the crossing, how they dispersed south, and how they lived based on a new and powerful kind of evidence: their complete genomes. Origin provides an overview of these new histories throughout North and South America and a glimpse into how the tools of genetics reveal details about human history and evolution.Some 20,000 years ago, people crossed a great land bridge from Siberia into western Alaska and then dispersed southward into what is now called the Americas. Until we venture out to other worlds, this remains the last... time our species has populated an entirely new place, and this event has been a subject of deep fascination and controversy.No written records—and scant archaeological evidence—exist to tell us what... more