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More from New Scientist:
Neanderthals and humans lived side by side
Neanderthals were thought to have died out as modern humans arrived in Europe. Now, artifacts found in a cave in Gibraltar reveal that the two groups coexisted for millennia before Neanderthals finally dwindled out of existence.
Homo sapiens moved into Europe about 32,000 years ago. But the newly unearthered artefacts shows that a remnant population of Homo neanderthalensis clung on until at least 28,000 years ago, a significant overlap.
Clive Finlayson at the Gibraltar Museum, and colleagues, recovered 240 stone tools and artefacts from sediments dated to the Upper Palaeolithic period – between 10,000 and 30,000 years ago. Mass spectrometry dating puts them between 28,000 and 24,000 years old.
http://www.newscientist.com/article/dn10070
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