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 ...

(Top row) Percussive tool found in 2016. (Second row from top) Oldowan core found in 2017. (Bottom rows) Oldowan flakes found in 2016 and 2017. The analysis of wear patterns on 30 of the stone ...

A local worker initially noticed stone tools and animal fossils eroding from the soil. Archaeologists later recovered 330 artifacts, including 42 Oldowan tools—primitive instruments used for ...

The researchers wrote that techniques used on stone tools from the Oldowan age carried over into a time the human ancestors were entering the Acheulean age. Bones shaped into tools had only ever ...

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 ...

M odern chimpanzees select rock tools in similar ways to Oldowan hominins, early humans who used stone tools that date back to around 2.5 million years ago. According to a new study, these ...

Handaxes have a refined symmetry and complexity of production stages significantly greater than earlier Oldowan stone tools. Possibly, therefore, the bone tools’ functions were later replaced by ...

Analysis - The ancestors of humans started making tools about 3.3 million years ago. First they made them out of stone, then ...

The stone appears well used ... The consequence of our ancestors’ innovating the sharper tools of the Oldowan is that all sorts of food in the African savanna, from the grasslands to the ...

At this time in human prehistory, Oldowan stone tool technology was involved in a dietary shift toward large mammal carcass consumption, an ecological transition that put our ancestors in direct ...

During the Oldowan age, a time period named for stone artifacts found in the gorge, ancient humans used tools created by striking one rock against another to chip off flakes, a process that ...