Chimps apply engineering skills to select tools with the right characteristic for hunting termites. This can teach us more ...

WASHINGTON (AP) — Early humans were regularly using animal bones to make cutting tools 1.5 million ... who was not involved in the study. The tools may have been made and used by Homo erectus, Homo ...

The find suggests early humans had more advanced tool-making skills than previously ... species lived in the region, including Homo erectus, Homo habilis, and Paranthropus boisei.

The ancestors of humans started making tools about 3.3 million years ago ... regarded as the evolutionary successor to the smaller-brained Homo habilis, left a lasting imprint on history.