A new haul of ancient human remains has been described from an important cave site in South Africa. The finds, including a well-preserved skull, bolster the idea that the Homo naledi people deliberately deposited their dead in the cave. Evidence of such complex behaviour is surprising for a Homo naledis with a brain that's a third the size of ours. Despite showing some primitive traits it lived relatively recently, perhaps as little as 235,000 years ago. That would mean the naledi people could have overlapped with the earliest of our kind - Homo sapiens.

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