Archaeologists have discovered the world’s oldest known bone tools—dated to 1.5 million years ago—at Tanzania’s Olduvai Gorge. The discovery revealed that early human ancestors, likely Homo erectus, used bones from hippos and elephants to craft tools for butchering. This finding, published in Nature, predates previous bone tool evidence by nearly a million years and shows… Read More »Oldest Bone Tools Ever Found Rewrite Early Human History