A 500,000-year-old spear point from different angles. Photo: AP
A 500,000-year-old spear point from different angles. Photo: AP

Ancestors developed stone-tipped weapons earlier than thought

Archaeological find pushes back use of stone-tipped weapons by 200,000 years

A 500,000-year-old spear point from different angles. Photo: AP
A 500,000-year-old spear point from different angles. Photo: AP
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