Ancient Sea Ice Highway: North America's First Settlers' Journey Revealed

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Source: Interesting Engineering
Ancient Sea Ice Highway: North America's First Settlers' Journey Revealed
Photo: Interesting Engineering
TL;DR

Researchers propose that early humans may have arrived in North America as early as 24,000 years ago, challenging the conventional belief of a migration through an ice-free corridor 13,000 years ago. The study suggests that early Americans may have traveled along a "sea ice highway" along the Pacific coastline from Beringia, challenging previous theories of a "kelp highway" for migration. Recent archaeological and genetic finds support the presence of humans on the continent earlier than previously thought.

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