A study provides a window into the first 100,000 years of the history of modern humans. The real Garden Of Eden has been traced to the African nation of Botswana, according to a major study of DNA. Scientists believe our ancestral homeland is south of the Zambezi River in the country's north. The conclusion comes after the study of maternal genetic lineage of anatomically modern humans, finding it was closest to those living in the area, which includes northern Botswana, Namibia to the west and Zimbabwe to the east. For 70,000 years, our ancestors thrived in the area before changes...