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Some monkeys accidentally make stone flakes that resemble ancient hominid tools
Some monkeys accidentally make stone flakes that resemble ancient hominid tools,A study of Thailand macaques raises questions about whether some Stone Age cutting tools were products of planning or chance.

Some monkeys accidentally make stone flakes that resemble ancient hominid tools

A study of Thailand macaques raises questions about whether some Stone Age cutting tools were products of planning or chance.