The lay of the land. Language from a biological perspective ; Evolution : consensus and controversy ; Language ; Animal cognition and communication
Meet the ancestors. Meet the ancestors ; The LCA : our last common ancestor with chimpanzees ; Hominid paleontology and archaeology
The evolution of speech. The evolution of the human vocal tract ; The evolution of vocal control : the neural basis for spoken language ; Models of the evolution of speech and phonology
Evaluating phylogenetic models of language evolution. Historical overview : Western theories of language origin before Darwin ; Lexical protolanguage ; Signs before speech : gestural protolanguage theories ; Musical protolanguage.