Those particular tools date back 2.9 million years, with the intent of cutting up hippos for meat, the researchers reported in the study. While these stone tools may not date back quite as far as ...

Researchers examined the productivity of stone tools with a cutting-edge over a 50,000-year span, including six cultural ...

The researchers created replica stone tools that resembled those used in ... They used these tools for different tasks, such ...

Reuters The analysis of wear patterns on 30 of the stone tools found at the site showed that they had been used to cut, scrape and pound both animals and plants ...