Human evolution, Lower Paleolithic, Middle Paleolithic, Mesolithic, Neolithic, Neolithic Revolution, Homo habilis, Petroglyph, Cave painting, Paleolithic diet, Caveman, Lithic reduction, Megalith, Control of fire by early humans, Stone tool, Neanderthal, Archaic Homo sapiens, Recent African origin of modern humans, Behavioral modernity, Atlatl, Domestication of the horse