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Controversial cave discoveries suggest humans reached Americas much earlier than thought

Archaeologists say stone artefacts point to occupation more than 30,000 years ago — but not everyone is convinced.
  1. Colin Barras
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Archaeologists excavating a cave in the mountains of central Mexico have unearthed evidence that people occupied the area more than 30,000 years ago — suggesting that humans arrived in North America at least 15,000 years earlier than thought.

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Nature 583, 670-671 (2020)

doi: https://doi.org/10.1038/d41586-020-02190-y

Read the related News & Views, ‘Evidence grows that peopling of the Americas began more than 20,000 years ago’.

References

  1. Ardelean, C. F. et al. Nature https://doi.org/10.1038/s41586-020-2509-0 (2020).

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  2. Becerra-Valdivia, L. & Higham, T. Nature https://doi.org/10.1038/s41586-020-2491-6 (2020).

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