History repeats itself. When Clair PAtterson started researching the environmental persistence of ethyl-lead (leaded gas), Du Pont offered to sponsor any resea

History repeats itself. When Clair PAtterson started researching the environmental persistence of ethyl-lead (leaded gas), Du Pont offered to sponsor any research he wanted to do so long as it wasn't ethyl lead. Not only can you not trust a company to research possible bad effects of its products, you can expect companies to interfere with research into their products done by outside parties.