A cache of 1.5 million-year-old bone tools uncovered in Tanzania suggest ancient human ancestors were capable of critical ...

The bone tools date from more than a million years before our species, Homo sapiens, arose around 300,000 years ago.

and researchers have uncovered the remains of ancient human ancestors such as Homo habilis, Homo erectus and prehistoric Homo sapiens, or modern humans, he said. The archaeological record also ...

possible candidates include Homo erectus, Homo habilis, and Paranthropus boisei. The findings challenge previous notions about early tool-making and highlight the evolving ingenuity of ancient humans.

The tools may have been made and used by Homo erectus, Homo habilis or Paranthropus boisei. “It could have been any of these three, but it’s almost impossible to know which one,” said Pobiner.

WASHINGTON — Early humans were regularly using animal bones to make cutting tools 1.5 million years ago. A newly discovered cache of 27 carved and sharpened bones from elephants and hippos found ...