Early humans likely used naturally sharp rocks before making their own tools, a new hypothesis suggests, potentially pushing ...

Abrading: The process of modifying a stone through friction created by rubbing or scraping. Adze: A cutting tool, similar to an axe, where a bevelled stone blade is attached at a right angle to the ...

New technologies today often involve electronic devices that are smaller and smarter than before. During the Middle Paleolithic, when Neanderthals were modern humans’ neighbors, new technologies meant ...

This beautiful stone tool which was most probably used mainly for separating the hide from the meat of an animal was found on the Western edge of Olduvai Gorge.