Oldowan tools, consisting of stones with one to a few flakes removed, are the oldest widespread and temporally persistent hominin tools. The oldest of these were previously known from around 2.6 million years ago in Ethiopia, and by 2 million years ago, they were found to be quite widespread. Now, paleoanthropologists have discovered a new, older fossil site from around 3 to 2.6 million years ago in Kenya, where Oldowan tools were not only present,...
