Also of Green River Formation chert, this artifact is similar to other Clovis blades. Flaked from a stone core carried as source material, blades were fashioned into knives, scrapers, and other tools.

"The Tibetan Plateau was previously thought to be uninhabitable during the last glacial maximum," said Li. Evidence found in the region shows that humans lived on the Tibetan Plateau before and after ...

Any artifacts that scholars said came before Clovis ... that Waters reopened the Page-Ladson site on the Aucilla River. For Waters, the debate about Clovis “is finished,” he said over ...