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160,000-Year-Old Sophisticated Stone Tools Discovered in China May Not Have Been Made by Homo Sapiens

More than 2,600 tools show planned, multi-step manufacturing and hafting, evidencing advanced cognitive skills in East Asian hominins 160,000–72,000 years ago, researchers said.

  • On January 27, 2026, the Chinese Academy of Sciences and Griffith University published findings in Nature Communications reporting more than 2,600 stone tools from Xigou archaeological site, including the earliest confirmed composite tools.
  • The Xigou stratigraphy indicates a sequence spanning roughly 90,000 years, with stone tools dating between 160,000 and 72,000 years ago from excavation period 2019–2021 after discovery year 2017.
  • Laboratory analysis found artifacts with hafted stone pieces showing two handle designs, while microscopic edge analysis revealed boring traces on plant materials and varied reduction strategies.
  • Researcher Marwick said, `These come from a period when previous archaeological research has mostly found large artefacts produced using simple flaking methods`, challenging the long-standing Movius Line paradigm.
  • The team cautioned it is unclear which hominin made the tools; candidates include Denisovans, Homo longi, Homo juluensis, and Homo sapiens, while fossil and DNA recovery may clarify this.
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The human populations that inhabited the center of China between 160,000 and 72,000 years ago already manufactured stone tools designed to be tainted, a key technological innovation in the history of humanity that until now was considered much later in East Asia. An international study in which the IPHES-CERCA and the Universitat Rovira i Virgili of Tarragona, published in the journal Nature Communications, have participated, provides the oldest…

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Live Science broke the news in United States on Tuesday, January 27, 2026.
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