Wikipedia’s post on “all about fluorine’– this element is so unique, and with fluorine man has made some wacko new compounds. There is only a small post on perfluorinated blood substitutes down at the bottom.  I was not amused by the fact that there were “fluorine martyrs” to fluorine chemistry experiments gone bad.  And in the old days of science, those guys really took their work seriously, without understanding (or knowing) consequences, and their lives in their hands.  I wonder if technology outpaces common sense. Of course I don’t wonder.  ha ha… it does, all the time, every day.