The Startling Alternative Theory of How Humans Arrived in America
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04/17/18
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Discovery
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? From the Show: Ice Bridge: The Impossible Journey http://bit.ly/2vfRpSA
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