The Heir to Walmart and the 4th richest person in the U.S John T. Walton(R), was a Green Beret Medic in the top-secret unit MACV-SOG and was awarded the Silver Star for carrying a wounded soldier to safety under enemy fire.
In certain cultures, wounds were sutured using ants, especially army or leaf-cutter species. These ants would be positioned to clamp the skin edges with their jaws. Once they bit down, the body of the ant would be cut off, leaving the head to act as a stitch.