Early humans in America endured climate chaos—new research

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 short version

• by Matthew Robert Bennett, Sally Christine Reynolds, The Conversation This article has been reviewed according to Science X's editorial process and policies .
• 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.

What happened

They placed people in North America thousands of years earlier than other widely accepted sites. Subsequent work using several independent dating techniques strengthened that chronology.

Why it matters

Our latest research takes the story a step further.

Summary by Nerd News Network. Read the full article at Phys.org via the links above and below.