Ancient 'lost world' may rewrite history of first Americans arriving 13,000 years ago

New evidence suggests that early Americans may have arrived in the continent by sea along the Pacific Rim rather than via the Bering Land Bridge. Archaeological discoveries on California’s Channel Islands, including the dating of ancient human remains known as the Arlington Man, support the Kelp Highway Theory, proposing that Paleo-Indians traveled along kelp-rich coastal ecosystems. Improved radiocarbon dating indicates these remains are approximately 13,000 years old, challenging traditional migration models and aligning with recent findings from southern Chile that date back even further.

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