Researchers observed chimpanzees in the forests of Bossou, Guinea, noting that these primates use two tools to crack nuts: a ...

Three-million-year-old tools found in Kenya reveal early humans' ability to cut food, butcher meat, and adapt to new diets.

Early stone ... evolution. The Oldowan stone tools from Hadar, Ethiopia, are among the oldest known, dating back 2.3 million years. Shown from various angles are (a) two sharp-edged flakes and (b ...

Modern chimpanzees select rock tools in similar ways to Oldowan hominins, early humans who used stone tools that date back to ...

A study of tool use among chimps, our closest living relatives, has cast light on the human evolutionary journey.

With this data in hand ... emergence of stone tool technology represents — in hindsight — a momentous step in human evolution (Figure 2). With sharp flakes and simple core tools, early ...

An international study reveals how early humans, as far back as 1.5 million years ago, deliberately selected specific stones ...

Kenya’s Homa peninsula is home to several artifacts of early humanity, most notably the remains of Lucy, a being with mixed ...

Early humans were in the area for about 700,000 years, making large hand axes from nearby stone, explained Dr ... a very rapid period of evolution." New tools appeared at this time - small ...

Today, we sit alone on the only remaining branch of the human family tree. But we are only one character in the story of human evolution. To truly understand ... the required anatomy and grip to wield ...