However, a 2018 excavation in Tanzania’s Olduvai Gorge turned up a cache of animal bone tools that have now been determined to be 1.5 million years old, pushing back the hominin tool technology ...

The tools, made from hippo and elephant leg bones, were discovered at Olduvai Gorge in Tanzania and are a million years older than any previously found shaped bone tools.

This photo provided by the Spanish National Research Council shows a bone tool found in Tanzania's Olduvai Gorge, at the CSIC-Pleistocene Archaeology Lab in Madrid in 2023.

The handcrafted tools found in Tanzania were made 1.5 million years ago and were fashioned primarily from the bones of elephants and hippopotamuses.

The bone tools measure up to around 16 inches (40 centimeters), with the largest being a sharp blade made from the humerus of an elephant. A discovery at Tanzania's Olduvai Gorge pushes back the ...

Archaeologists have uncovered a collection of bone tools in northern Tanzania that were shaped by ancient human ancestors 1.5 million years ago, making them the oldest known bone tools by about 1 ...

A bone tool made from a 1.5-million-year-old elephant bone discovered at the Olduvai Gorge site in Tanzania is seen in this picture released on March 5, 2025.

A cache of 1.5 million-year-old bone tools uncovered in Tanzania suggest ancient human ancestors were capable of critical thinking and advanced craftsmanship.

Hominins in Tanzania crafted bone tools 1.5 million years ago, reveals study Ancient hominins from East Africa exhibited advanced skills in crafting tools from animal bones.

Olduvai Gorge in northern Tanzania boasts sediment layers dating back to about 1.8 million years ago. Those layers contain simple stone tools that marked one of the earliest recorded technological ...

Archaeologists have uncovered a collection of bone tools in northern Tanzania that were shaped by ancient human ancestors 1.5 million years ago, making them the oldest known bone tools by about 1 ...