At first, Ardipithecus ramidus was yet another scrappy pre-Lucy fossil. The first report offered details about part of a 4.4 million-year-old jaw bone–a remarkable jaw bone, but just a jaw bone nonetheless. … They picked away at the bits of rocks surrounding the fragile bits of fossils. They used a computer to manipulate CT-scans of the fossils to figure out how crushed fragments had originally fit together as a skull or a pelvis. All this happened in strict secrecy.