The Startling Alternative Theory of How Humans Arrived in America

Name: The Startling Alternative Theory of How Humans Arrived in America
Uploaded: 2018-09-15
Duration: 171014
Description: On an island off the east coast of Maryland, a stone spearpoint sticking out of a coastal cliff stuns archaeologists. It asks a big question: Could humans have arrived in America 5,000 years earlier than we thought?

On an island off the east coast of Maryland, a stone spearpoint sticking out of a coastal cliff stuns archaeologists. It asks a big question: Could humans have arrived in America 5,000 years earlier than we thought? (02:51)