On Fri, 17 Jan 2003, Steve Simmons wrote: > On Fri, Jan 17, 2003 at 12:22:33PM -0500, Mark A Mandel wrote: > > > Saltpeter forms at the bottom of dungheaps, which I think must be in > > plentiful supply. > > A scarcity of sulphur, being elemental, would be a better hindrance. > Unfortunately some laws of physics would have to be changed for that > as well. (technogeek handwave) > Also sulfur is a component of amino acids and some forms of sugars so it's either plentiful or human life on Dragaera would be problematic. I have a vague recollection of "sulfur" in conjunction with "Suntra" but maybe that's hallucinatory. - Philip