Living hominoids are commonly divided into two families: Hylobatidae (gibbons) and Hominidae (gorillas, chimpanzees and humans). Showing a skeleton with a humanlike skull and arms that stretch ...

"Ideally, future work will figure out how to model the non-skeletal components of chimpanzee birth, which may someday lead us to modeling birth in human ancestors," VanSickle suggested.

Australopithecus sediba (centre) and modern human (far right) skeletons are adapted to walking upright, but a chimpanzee's skeleton (left) isn't These features serve as useful identifiers in the ...