Post by Odysseus on Oct 9, 2023 21:40:47 GMT
In White Sands National Park, New Mexico, mingled among tracks of mammoths, ground sloths, and other ancient animals, researchers found human footprints.
They dated the prints in 2021 to between 20,000 and 23,000 years ago.
For decades, experts thought humans first arrived in the Americas around 14,000 years ago. The footprints — and other recent evidence — push back the date of human arrival by thousands of years.
"It was kind of a big deal and earth-shattering and rocked the world of the archaeologists," Kathleen Springer, a scientist with the US Geological Survey, told The Washington Post. ...