Archaeologists working in two Italian caves have discovered some of the earliest known examples of ancient humans using an adhesive on their stone tools–an important technological advance called “hafting.”

Credit: NASAThe new study, which included CU Boulder’s Paola Villa, shows that Neanderthals living in Europe from about 55 to 40 thousand years ago traveled away from their caves to collect resin from pine trees. They then used…

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Source: archeo