title: Breakthrough of the year. Ardipithecus ramidus.
authors.forename: Ann
authors.initials: A
authors.lastname: Gibbons
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001842:Bone and Bones / Q000033:anatomy & histology; D005002:Ethiopia; D005260:Female; D005580:Fossils; D005843:Geography; D015186:Hominidae / Q000033:anatomy & histology / Q000145:classification / Q000502:physiology; D006801:Humans; D008124:Locomotion; D011187:Posture; D012863:Skeleton; D016138:Walking