The jawbone belongs to someone from the species Australopithecus anamensis, which was an ape-like creature. Interestingly, analysis shows that this ancient ancestor likely walked the Earth at the ...

Exhibiting some chimp-like characteristics, A. anamensis' jaws are more primitive than those of later hominids. And yet, its humerus (an arm bone) is quite human-like. Characteristics of its tibia ...