title: Ultraconserved words and Eurasiatic? The "faces in the fire" of language prehistory.
authors.forename: Paul
authors.initials: P
authors.lastname: Heggarty
mesh_terms: D006801:Humans; D008037:Linguistics; D008962:Models, Theoretical
references.citation: Science. 2012 Aug 24;337(6097):957-60
references.pmid: 22923579
references.citation: Proc Natl Acad Sci U S A. 2013 May 21;110(21):8471-6
references.pmid: 23650390