The researchers suggested that only after using naturally sharp stones for cutting did ancient humans faced selective ...

Sharp stone technology chipped over three million years allowed early humans to exploit animal and plant food resources, ...

Early stone toolmaking marks an important juncture in evolution. The Oldowan stone tools from Hadar, Ethiopia, are among the oldest known, dating back 2.3 million years. Shown from various angles ...

The bone tools were created the same way tools were made from stone.

Around 3.3 million years ago, hominins began using flakes of stone, perhaps to cut flesh ... “We may be missing a whole world of tools made by early humans,” he said. Dr. de la Torre has ...

The development of tool technology is considered a pivotal step in human evolution. Deliberately shaped stones are thought to have emerged in cultures more ancient than our own genus Homo to strip ...

WASHINGTON (AP) — Early humans were regularly using ... a paleoanthropologist at the American Museum of Natural History, who was not involved in the research. The well-preserved bone tools, measuring ...