PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY
Palaeolithic stone tool. This stone knife was a cutting tool used by early humans for a wide range of purposes, such as butchering animals and carving wood. It dates back to 10,000 years ago, at the end of the Upper Palaeolithic era. Some types of rocks, such as flint, could be knapped into many tools, such as arrow and spear heads for hunting. Knapping is the process where a lump of rock is shaped into a tool by repeatedly chipping off small flakes. This blade was found in France and is 16 centimetres long.
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