Catalog Search Results
Author
Description
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 happened or how it took place. Many...
Didn't find it?
Can't find what you are looking for? Try our Materials Request Service. Submit Request