Seems that every scientific study of, practically anything, discovers "diversity." Not just of people or DNA, but of everything. Journalists and historians are also always discovering that this or that culture or country was a place of extraordinary "diversity," of far more diversity that previously believed.
They drop that word into everything.
“They” again? “They” sure get around. What do we really need diversity for anyway? No one needs to have more than one choice of food, political party, toothpaste...
“we demonstrate that most of the genetic variation in Indians stems from a single major migration out of Africa that occurred around 50,000 years ago,”
50,000 yrs ago the continents were where they are now. That said, how did the majority of Indian people “migrate” across that territory? Little land to cross the red sea, lots of desert, more ocean or a huge detor to get around it? Askin for a friend