Archaeologists found 1.5-million-year-old hand fossils belonging to an ape-like early human relative. The shape of the bones suggest that their owner, a species called Paranthropus boisei, was capable ...

COLUMBIA, Mo. – Humans have a distinctive hand anatomy that allows them to make and use tools. Apes and other nonhuman primates do not have these distinctive anatomical features in their hands, and ...