The evolution of stone tool technology and of ... the undeveloped hand of even the most anthropoid of apes and the human hand that has been highly perfected by the labor of hundreds of thousands ...

The researchers believe that N. degiustoi likely reached its giant size—which rivaled that of most anurans alive during the age of reptiles (251.9–66.0 million years ago)—as a result of having a long ...

tool use may have driven the further evolution of the human hand. Individuals whose hands happened to be better adapted for tool use would tend to be better nourished and to successfully raise ...

Human Origins Program, Smithsonian (l to r) Hand axes, obsidian sharps and colour ... a key reference site for understanding human evolution in Africa during [this period]". Dr Scerri, who was ...