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Complex stone tools from 160,000 to 170,000 years ago found in China

The Levallois method of making stone tools was used in India 172,000 years ago: Rather than chipping flakes off a stone to create a tool, Levallois techniques work on the stone so it is the flakes themselves that become the tools. This enables several tools to be made from a single stone. Until recently, it seemed that the Levallois revolution didn’t spread east to places like China until much later – about 40,000 years ago – but that idea is now being questioned. Bo Li at the University of Wollongong, Australia, and his colleagues have just confirmed that Levallois-style stone tools recovered from Guanyindong cave in south China are between 160,000 and 170,000 years old. Colin Barras, “Complex stone tools in Read More ›