Neanderthals glued their stone tools into place on wooden handles, a new study suggests. Archaeologists found chemical traces of pine resin on 10 stone tools from Grotta del Fossellone and Grotta di ...
Flints bearing traces of pine resin. The letter "R" indicates the presence of visible resin, and the arrows point to spots where researchers sampled material for chemical analysis. (Credit: Degano et ...
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