Fossil hand bones point to tool use outside the Homo lineage
Newly discovered African fossils lend a hand to suspicions that an ancient hominid outside our own genus, Homo, made and used stone and bone tools. Partial remains of a roughly 1.5-million-year-old Paranthropus boisei individual, including hand and wrist bones, indicate that this extinct hominid species could have made basic cutting and pounding implements, say paleoanthropologist…
