title: Paleoanthropology. Lucy's toolkit? Old bones may show earliest evidence of tool use.
authors: Ann
authors: A
authors: Gibbons
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001842:Bone and Bones; D005002:Ethiopia; D005580:Fossils; D015186:Hominidae; D013995:Time; D053001:Tool Use Behavior