No I don't but I'm surprised I don't. I got hit by shrapnel many years ago in the wrist and thumb and my thumbnail grows kind of strange since then but that's it. Still can see the scar easy though.
I would go with penicillin, it saved countless lives.
Fire was used in just about every invention after it was first learned t be made, controlled and used. Metals needed it, food was better for it, and everything after that had fire involved in it some how. I would say the use of fire was the world's greatest positive impact, and maybe the worst … Read more