A 90,000-year-old bone knife hints special tools appeared early in Africa

Archaeologists found the implement in a coastal cave in Morocco

bone knife

CUTTING EDGE  The discovery of a 90,000-year-old knife made of animal bone (shown here from both sides) in Morocco points to the ancient emergence of specialized toolmaking in northern Africa.

© Trustees of the Natural History Museum, London (2018), S. Bello and Mohammed Kamal (Fotokam, Morocco)

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