Humans Mastered Advanced Weapon-Making Technique 77,000 Years Ago
When you purchase through links on our site , we may bring in an affiliate mission . Here ’s how it mold . The discovery of 25 dangerously pointy stone arm in a South African cave shows that humans overcome a complex weapon - creating proficiency during the Stone Age , some 77,000 years ago , according to a young study . The find is the early evidence on record of a technique known as " pressure flaking , " the researchers tell ....