Autore: Kelly E. Graf

With cultural remains dated unequivocally to 13, 000 calendar years ago, Dry Creek assumed major importance upon its excavation and study by W. Roger Powers. The site was the first to conclusively de …

As research continues on the earliest migration of modern humans into North and South America, the current state of knowledge about these first Americans is continually evolving.Especially with recen …

Who were the first people who came to the land bridge joining northeastern Asia to Alaska and the northwest of North America? Where did they come from? How did they organize technology, especially in …