Environmental Images/Universal IThe slogan "Better Things for Better Living Through Chemistry" was adopted by DuPont in 1935 to appeal to a skeptical public that was wary about new synthetic materials like neoprene, nylon and pesticides. It appears to have succeeded. Today's life is dominated by synthetic chemicals.Many of these chemicals can be benign and make your life easier. They provide superior medicine, better agricultural yields, new materials, cleaner water, magic electronic products, and an abundance of consumer goods.However, better living through chemistry turned out to be an Faustian pact. Over the