>This allowed the team to identify micro-residues of collagen and associated bone, muscle, and bundle tendon fibers, suggesting that the daggers had come into c

>This allowed the team to identify micro-residues of collagen and associated bone, muscle, and bundle tendon fibers, suggesting that the daggers had come into contact with multiple animal tissues and were used to process various types of animal carcasses. Humans also have bone, muscle, and bundle tendon fibers. Do we know these residues are non-human? Another explanation could be that they were extensively in warfare.