The subject of how and when the earliest dispersal of modern humans out of Africa into Eurasia occurred has long been in dispute among scholars. A number of recent studies have raised new finds with different interpretations and sometimes conflicting results. Now, scientists investigating a site in the Thar Desert of northeastern India have uncovered stone artifacts that indicate the presence of humans, possibly modern humans, as much as 95,000 years ago in an area that once was wetter than it is today. Their analysis and conclusions, published June 12, 2013 in the scientific journal, Quaternary Science Reviews, have added...