Early humans were regularly using animal bones to make cutting tools 1.5 million years ago. A newly discovered cache of 27 carved and ...

The discovery joins other finds — such as a 1.4-million-year-old bone axe from Ethiopia — that suggest the human ancestor Homo erectus often used bones as tools. Tool use is a storied ...

The bone tools were “probably used as a hand axe” – a handheld blade ... The tools may have been made and used by Homo erectus, Homo habilis or Paranthropus boisei. “It could have been ...