23,000-year-old footprints in white sand are rewriting the story of America’s first humans | World News
In the thick brush of New Mexico’s White Sands National Park, a series of imprints left in ancient dirt continue to confound assumptions about people’s first crossing of the Americas. The marks, preserved in layers of sediment that later hardened into gypsum, were first described in a 2021 study published in the journal Science titled … Read more