Childbirth was difficult and dangerous for our ape-like ancestors, much as it is for women today. A new study of the pelvises of Australopithecus suggests that labour exerted powerful forces on their ...
Around 2 million years ago, prehistoric humans in East Africa turned the tables on the carnivores that had previously terrorized them, learning not only to fend off these predators but also steal ...
These files consist of 3D scans of historical objects in the collections of the Smithsonian and may be downloaded by you only for non-commercial, educational, and ...