Pre-print from David Reich et al provides new details and solid dates for the emergence of the Yamnaya, likely proving Indo-Anatolian hypothesis.

The Yamnaya archaeological complex appeared around 3300BCE across the steppes north of the Black and Caspian Seas, and by 3000BCE reached its maximal extent from Hungary in the west to Kazakhstan in the east. To localize the ancestral and geographical origins of the Yamnaya among the diverse Eneolithic people that preceded them,...