Mental Floss did a fascinating profile recently on the scientist primarily responsible for getting lead out of gasoline. He was trying to figure the age of the

Mental Floss did a fascinating profile recently on the scientist primarily responsible for getting lead out of gasoline. He was trying to figure the age of the earth, but lead contamination kept getting in the way. Eventually he figured out how much lead in the air was coming from gasoline, and started making waves. Society owes him a debt: > In the 1970s, lead in the atmosphere peaked to historic highs. It has since cratered to medieval levels. [...] A 2002 study in Environmental Health Perspectives found that, by the late 1990s, the IQ of the average preschooler had risen five points. http://mentalfloss.com/article/94569/clair-patterson-scientist-who-determined-age-earth-and-then-saved-it http://mentalfloss.com/article/94569/clair-patterson-scienti...