title: Language origin debate rekindled.
authors.forename: Ewen
authors.initials: E
authors.lastname: Callaway
mesh_terms: D005060:Europe / Q000208:ethnology; D005828:Genetics, Population; D015894:Genome, Human / Q000235:genetics; D049690:History, Ancient; D063426:Human Migration / Q000266:history*; D006801:Humans; D007194:India / Q000208:ethnology; D007802:Language / Q000266:history*; D008877:Middle East / Q000208:ethnology; D012426:Russia; D014455:Ukraine