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 ...

The distinctly human ability for forceful precision and power "squeeze" gripping is linked to two key evolutionary transitions in hand use: a reduction in arboreal climbing and the manufacture and use ...

The enamel that forms the outer layer of our teeth might seem like an unlikely place to find clues about evolution. But it tells us more than you’d think about the relationships between our fossil ...