The Acheulean was estimated to have died out around 200,000 years ago but the new findings suggest it may have persisted for much longer, creating over 100,000 years of overlap with more advanced technologies produced by Neanderthals and early modern humans. Previously, a more rapid shift between the earlier Acheulean stone tool designs often associated with Homo heidelbergensis – the common ancestor of modern humans and Neanderthals – and more advanced “Levallois” technologies created by early modern humans and Neanderthals, was assumed. However, the study has shed new light on the transition between these two technologies, suggesting substantial overlap between the two.
https://phys.org/news/2021-03-neanderthal-early-modern-human-stone.html
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