Science

Early humans in America endured climate chaos—new research

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 18/10/2026, 21:55:25 UTC.

Briefings

Recent research indicates early humans walked across the muddy margins of an ancient lake in White Sands National Park, New Mexico, approximately 23,000 years ago during the coldest period of the last ice age. This finding suggests human migration occurred even in harsh climatic conditions, challenging previous assumptions about the difficulty of crossing such environments.

Key points

• Early humans crossed the muddy margins of an ancient lake in White Sands National Park, New Mexico, approximately 23,000 years ago.
• This event occurred during the coldest part of the last ice age, indicating migration persisted through severe climatic conditions.

Context

This discovery challenges the assumption that crossing such environments was impossible for early humans, suggesting migration occurred even in harsh climatic conditions.

Limitations

Evidence is limited to a single location and time period; no data on migration patterns, population sizes, or specific routes is provided.

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