I published an essay (or “dissertation”) some weeks ago, about what seems to me one of the most likely models of expansion of Indo-European-speaking peoples, based on Y-DNA haplogroups. Recently J.P. Mallory had proposed* (although he was not the first) that North-West Indo-European (the ancestor of Italo-Celtic and Germanic, and Balto-Slavic**) expanded with the Bell Beaker culture, a hypothesis that is supported by the most recent radiocarbon data (and subsequent proposal of an eastern origin of the pre-Bell Beaker culture, linked to the Yamna expansion, by Volker and Heyd). As I outline in the paper, ancient DNA samples and … Read the rest “Indo-European Demic Diffusion – The expansion of Proto-Indo-Europeans potentially explained as the expansion of R1b subclades”