Findings out of Kenya offer a new understanding of when early humans got organized and started trading. By David Grossman Published: Mar 15, 2018 5:16 PM EDT Human Origins Program, Smithsonian ...

Early humans at Olorgesailie relied on the same tools, stone handaxes, between 500,000 and 1.2 million years ago. Then, beginning around 320,000 years ago, they crafted smaller, more sophisticated ...

Evidence for these milestones in humans’ evolutionary past comes from the Olorgesailie Basin in southern Kenya, which holds an archaeological record of early human life spanning more than a million ...

These behaviors, which are characteristic of humans who lived during the Middle Stone Age, replaced technologies and ways of life that had been in place for hundreds of thousands of years. Evidence ...

Assortment of Early and Middle Stone Age tools found in the Olorgesailie Basin, Kenya. The tool at left is a hand axe. Jay Reed/NPR hide caption ...

People living at Kenya's Olorgesailie Basin made large handaxes (left) until around 320,000 years ago, when they used pigments and more advanced tools (right). ( Supplied: Human Origins Program ...

Geological, geochemical, paleobotanical and faunal evidence from the Olorgesailie Basin indicates that an extended period of climate instability affected the region beginning around 360,000 years ago.

Large, all-purpose handaxes (left) compared to more sophisticated, carefully crafted stone-cutting tools from the prehistoric site of Olorgesailie, Kenya. Credit: Human Origins Program, Smithsonian ...

Earliest evidence for ambush hunting by early humans in the Kenyan Rift Date: September 15, 2015 Source: Bournemouth University Summary: Around one million years ago, early humans were skilful at ...

Muddy Footprints Suggest 2 Species of Early Humans Were Neighbors in Kenya 1.5 Million Years Ago WASHINGTON (AP) — Muddy footprints left on a Kenyan lakeside suggest two of our early human ...