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Kozowyk, P.R.B. (author), Poulis, J.A. (author), Langejans, G.H.J. (author)Adhesives are an important yet often overlooked aspect of human tool use. Previous experiments have shown that compound resin/gum adhesive production by anatomically modern humans was a cognitively demanding task that required advanced use of fire, forward planning, and abstraction among other traits. Yet the oldest known adhesives were produced...journal article 2017