Early humans began crafting stone tools more than 3 million years ago by chipping off flakes to form shapes and sharp edges ...

The findings come from a study of bone tools discovered at Olduvai Gorge in Tanzania and dated to around 1.5 million years ago. The discovery joins other finds — such as a 1.4-million-year-old ...

WASHINGTON (AP) — Early humans were regularly using animal bones to make cutting tools 1.5 million years ago. A newly discovered cache of 27 carved and sharpened bones from elephants and hippos found ...

A newly discovered cache of 27 carved and sharpened bones from elephants and hippos found in Tanzania’s Olduvai Gorge site pushes back the date for ancient bone tool use by around 1 million years.

Figure 23 depicts an engraving awl, which can be used to drill holes in wood, and incising tools, which are used for relief carving. Because bone and ivory are not always preserved in sites, they are ...

The bone tools reported in this study were from the time that the ancient human ancestors were progressing into the "Acheulean" age which began as far back as about 1.7 million years ago.