Fear, Inc. is having a big day on the New York Stock exchange. It is up 45 percent on heavy volume. How could it not be? After all, the plastic component BPS supposedly a safe replacement for BPA isn t looking so great after all. BPA (bisphenol A) is a chemical so deadly that Times columnist Nick Kristof by far the most accomplished toxicological expert who never took a chemistry class refuses to touch cash register receipts because they contain small amounts of the chemical.