• People once lived in a vast region in north-western Australia – and it had an inland sea

    Updated: 2023-12-21 02:56:01
    For much of the 65,000 years of Australia’s human history, the now-submerged northwest continental shelf connected the Kimberley and western Arnhem Land. This vast, habitable realm covered nearly 390,000 square kilometres, an area one-and-a-half times larger than New Zealand is today. It was likely a single cultural zone, with similarities in ground stone-axe technology, styles […]

  • Rextinct: a new tool to estimate when a species went extinct

    Updated: 2023-12-18 09:59:01
    If several fossils of an extinct population or species are dated, we can estimate how long ago the extinction event took place. In our new paper, we describe CRIWM, a new method to estimate extinction time using times series of fossils whose ages have been measured by radiocarbon dating. And yes, there’s an R package — Rextinct […]

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