Footprints dated to 23,000-21,000 years ago at the White Sands National Park, New Mexico. All images courtesy Matthew Bennett/Bournemouth University Finding the First Americans Archaeology and genetics can’t yet agree on when humans first arrived in the Americas. That’s good science and here’s why by Jennifer Raff + BIO Aeon, 22 December 2022 Jennifer Raff is associate professor in anthropology ..