DNA indicates how ancient migrations shaped South Asian languages and farming
Science News reports: A new DNA study of unprecedented size has unveiled ancient human movements that shaped the genetic makeup of present-day South Asians in complex ways. Those long-ago treks across vast grasslands and through mountain valleys may even have determined the types of languages still spoken in a region that includes what’s now India and Pakistan. The investigation addresses two controversial issues. First, who brought farming to South Asia? Genetic comparisons indicate that farming was either invented locally by…