Rock art

Outback axes suggest humans reached Australia 18,000 years earlier than thought

SYDNEY β€” Axeheads and grinding stones from a cave in Australia’s far north suggest humans arrived on the continent about 65,000 years ago, or 18,000 years earlier than previously thought, according to research published on Thursday. A technique called luminescence dating was used to date the ancient tools which were found in a rock shelter at…

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