The Vegetarian Vampire
The Vegetarian Vampire By Atom Bergstrom Atom’s Blog Iron is the most important metal in the cosmos. Hydrogen, carbon, nitrogen, and oxygen are not metals. Iron-56 is the only completely non-radioactive element in the cosmos. (Nickel-56 is the exception to the rule, but it’s too sparse to make a difference.) Iron-56 is the MID-POINT between…