The bone tools were created the same way tools were made from stone.
Old Proof of Food Preservation, Humans Stored Bones Packed With Fat and Marrow to Eat Later In the popular imagination, ...
The bone measured four inches long and had 17 markings. It was unburied from a layer of soil that dated between 115,000 and 130,000 years old. Initially, experts believed the bone was a bear’s rib.