They also ran the first experimental study of stone weapons that focused on pike hunting techniques, revealing how spears react to the simulated force of an approaching animal. Once the sharpened rock pierced the flesh and activated its engineered mounting system, they say, the spear tip functioned like a modern day hollow-point bullet and could inflict serious wounds to mastodons, bison and saber-toothed cats. ...

"People who are doing metal military artifact analysis know all about it because it was used for stopping horses in warfare," [researcher] Byram said. "But prior to that, and in other contexts with boar hunting or bear hunting, it wasn't very well known. It's a theme that comes back in literature quite a bit. But for whatever reason, it hasn't been talked about too much in anthropology."