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

Ancient Humans Made Tools From Animal Bones 1.5 Million Years Ago WASHINGTON ... of having been struck to remove flakes more than a dozen times, revealing persistent craftsmanship.

WASHINGTON (AP) — Early humans were regularly using animal bones to make cutting tools ... having been struck to remove flakes more than a dozen times, revealing persistent craftsmanship.