Mammoth tusk flakes may be the oldest ivory objects made by humans

Ancient humans living in what is now Ukraine 400,000 years ago may have practised or taught tool-making techniques using mammoth tusks, a softer material than bone

​Ancient humans living in what is now Ukraine 400,000 years ago may have practised or taught tool-making techniques using mammoth tusks, a softer material than bone Ancient humans living in what is now Ukraine 400,000 years ago may have practised or taught tool-making techniques using mammoth tusks, a softer material than bone