Stone-age tools found, but who wielded them?

Scientists have discovered stone-age tools at least 118,000-years-old on an Indonesian island but no trace of the early humans that made them, according to a study released Wednesday.

Shift in scientific consensus about demise of Neanderthals

It is still unclear how the Neanderthals died out. For long, one theory seemed most likely: the emergence of the highly intelligent Homo sapiens, or modern humans. This competition hypothesis is no longer the dominant theory ...

Human-Neanderthal coupling was rare: study

Scientists have shown that modern humans have some traces of genes from Neanderthals, but a study out Monday suggests that any breeding between the two was most likely a rare event.

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