The commonly accepted theory for the original human settlers in the US is that 15,000 years ago they crossed over from Asia to America near the Bering Sea that had a land bridge then or at most required a short boat ride.
Hence I was intrigued by this news article (via Machines Like Us) that there is some evidence that the first humans here may consist of a people known as Solutreans who came from Europe 20,000 years ago by [Read more…]