Archaeologists have found traces of ancient ochre-based multicomponent adhesives on 40,000-year-old stone tools from Le Moustier, France. Photographs, drawings, and details of stone tools from Le Moustier, France. Image credit: D. Greinert / Schmidt et al., doi: 10.1126/sciadv.adl0822. “These astonishingly well-preserved tools showcase a technical solution broadly similar to examples of tools made by early modern humans in Africa, but the exact...
