Anthropologists have long made the case that tool-making is one of the key behaviors that separated our human ancestors from other primates. A new paper, however, argues that it was not tool-making that set hominins apart — it was the miniaturization of tools.
The iconic, tear-drop shaped hand axe, which filled a human palm, required a large toolkit to produce (left),
in contrast to a toolkit for tiny flakes [Credit: Emory…
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