23,000-year-old footprints suggest people reached the Americas early
People may have walked along the shore of a lake in New Mexico 23,000 years ago
By Kiona N. Smith
Arriving ahead of the ice sheets
Bournemouth University archaeologist Matthew Bennett and his colleagues found a total of 61 human footprints east of an area called Alkali Flat, which was once the bed and shoreline of an ancien...