Look very closely at the reconstruction of the skull of newly discovered hominin ancestor Homo naledi. Can you tell that it's been 3D printed? According to John Hawks, a palaeoanthropologist on ...

Paleontologists in Colorado reveal new species of dinosaur 00:59. This week paleontologists at a Colorado dinosaur center unveiled a 3D model of the skull of a teratophoneus curriei.

A 3D-printed model of the Parasaurolophus skulls at a 1:3 scale to the original fossil. The white model is the nasal passages inside the skull. CREDIT: Hongjun Lin.