These are humanity’s first knives, says the 48-year-old CSIC researcher. Until now, the oldest known bone tools were from half a million years ago and had been found in Europe and Asia. This new ...

Archaeologists have announced a discovery that puts the first use of bone tools back 1.5 million years. The finding included nearly 30 knives carved by the human ancestor Homo erectus in Tanzania.

To learn more about how the carvings were made, the team recreated the markings on cattle bones with replica tools, such as flint knives and ... the intricately carved bear bone not only enriches ...

A crooked knife has a curved metal blade hafted onto a wooden handle. How do you think they were used? What types of objects were carved with a crooked knife? Look in a specialty tool catalogue like ...