Sphericalness is ‘likely to have been produced intentionally’ – but why it was done remains a mystery
Early ancestors of humans 1.4m years ago deliberately made stones into spheres, according to a study – though what the prehistoric people used the balls for remains a mystery.
Archaeologists have long debated exactly how the tennis ball-sized “spheroids” were created. Did early hominins intentionally chip away at them with the aim of crafting a perfect sphere, or were they merely the accidental byproduct of repeatedly smashing the stones like ancient hammers?
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