africa anthropology antiquities archaeology behavior congresses evolution excavations(archaeology) fossils hominids hominidés mesolithicperiod middleeast mésolithique mœursetcomportement nature neolithicperiod outilsdepierre outilspréhistoriques paleoanthropology paleolithicperiod paleontology paléoanthropologie paléontologie petroglyphs pleistocenegeologicepoch prehistoricart prehistoricbonecarving prehistoricboneimplements socialscience stoneage stoneimplements évolution