Oldest human-like hand bone may help us understand the evolution of tool making

It may not have quite have the same wow factor as a skull, but the discovery of a pinkie bone that is more than 1.8 million years old may help us solve the puzzle of stone-tool use among our early ancestors. The bone, which is the earliest modern human-like finger bone ever found, could come from a number of species that were around at the time, including Homo erectus. —> Read More