- First Asians crossed US over 40,000 years back
The first humans crossed a land bridge from Siberia into the Americas 40,000 years ago, about 30,000 years earlier than had been thought, according to new research. A study of Native American
The first humans crossed a land bridge from Siberia into the Americas 40,000 years ago, about 30,000 years earlier than had been thought, according to new research. A study of Native American