Early humans in America endured climate chaos – new research

By Matthew Robert Bennett, Professor of Environmental and Geographical Sciences, Bournemouth University; University of Reading
Sally Christine Reynolds, Associate Professor in Hominin Palaeoecology, Bournemouth University

Some 23,000 years ago, during the coldest part of the last ice age, people walked across the muddy margins of an ancient lake in what is now White Sands national park, New Mexico.

The footprints they left behind have transformed our understanding of when people first reached the Americas. When we reported dates for the White Sands footprints in 2021, our findings were met with controversy. They placed people in North America thousands…

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