title: Human evolution. Early start for human art? Ochre may revise timeline.
authors.forename: Michael
authors.initials: M
authors.lastname: Balter
mesh_terms: D005075:Biological Evolution; D003468:Cultural Evolution; D004741:Engraving and Engravings / Q000266:history*; D049690:History, Ancient; D006801:Humans; D013019:South Africa; D013561:Symbolism