Add Yahoo as a preferred source to see more of our stories on Google. Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago. The ...

A major new discovery from central China is reshaping our understanding of early human technology. Excavations at the Xigou site, dating back between 160,000 and 72,000 years, reveal advanced stone ...

A new study shows that early humans shifted from hunting giants to smaller animals, shaping tools, survival, and intelligence ...

Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago. The selection of rock type depended on how easily the material could be ...