Researchers have unearthed stone tools that date back to at least 3.3 million years ago, but before this discovery, the oldest known bone tools were found at European sites believed to be 250,000 ...
An assemblage of tools found in Tanzania that was fashioned about 1.5 million years ago from the limb bones of elephants and ...
The bone tools date from more than a million years before our species, Homo sapiens, arose around 300,000 years ago.