Palaeoanthropology. Old bones match old stones.
Wood
B
B
D000818:Animals; D005580:Fossils; D015186:Hominidae / Q000033:anatomy & histology*; D006801:Humans; D007630:Kenya; D010163:Paleontology; D010802:Phylogeny; D013701:Temporal Bone / Q000033:anatomy & histology*