SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY
Editorial use only.
Acheulean hand axe. This stone hand axe was a cutting tool used by early humans for a wide range of purposes, such as butchering animals and carving wood. The Acheulean (stone tool making) culture dates back to between approximately 1.65 million years ago and 100,000 years ago, in the Lower Palaeolithic. 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 specimen is being held by evolutionary biologist and historian of science George Beccaloni. Photographed at the international gems, minerals and fossils show held at Sainte-Marie-aux-Mines in north-eastern France.
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