Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago.
For many countries around the world, December is an intense, commercialised period of gift-giving. Not just within families but across all sorts of relationships, such as gifts between buyers and ...
Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago. The selection of rock type depended on how easily the material could be ...