A new study says early humans were regularly using animal bones to make cutting tools 1.5 million years ago WASHINGTON -- WASHINGTON (AP) — Early humans were regularly using animal bones to make ...

There have been examples of sporadic use of tools made from bone dating to about 2 million years ago, but the Olduvai Gorge discovery represents the earliest example of systematic production of ...

Pounding marks appear where hominids sharpened the edges of bones. The largest tools, made from elephant bones, reached up to 38 centimeters long. That’s roughly the distance, on average ...

while the hippo bones made for slightly smaller tools spanning from 7 to 12 inches (18 to 30 centimeters) long and 2.3 to 3.1 inches (6 to 8 centimeters) wide. The same knapping techniques were ...

And by 1.5 million years ago, they were using more sophisticated tools made of bone, according to a new study published in Nature, which dates the systematic use of bone tools to a million years ...

WASHINGTON (AP) — 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 ...

Ancient Humans Made Tools From Animal Bones 1.5 Million Years Ago WASHINGTON (AP) — Early humans were regularly using animal bones to make cutting tools 1.5 million years ago. A newly discovered ...

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 in Tanzania ...