Arrowheads Found in Texas Dial Back Arrival of Humans in America - New York Times

Arrowheads Found in Texas Dial Back Arrival of Humans in America New York Times For many years, scientists have thought that the first Americans came here from Asia 13000 years ago, during the last ice age, probably by way of the Bering Strait. They were known as the Clovis people, after the town in New ... and more »