How the very things we create to protect ourselves, like money market funds or anti-lock brakes, end up being the biggest threats to our safety and wellbeing. We have learned a staggering amount about human nature and disaster -- yet we keep having car crashes, floods, and financial crises. Partly this is because the success we have at making life safer enables us to take bigger risks. As our cities, transport systems, and financial markets become more interconnected and complex, so does the potential for catastrophe.How do we stay safe? Should we? What if our attempts are exposing us even more to the very risks we are avoiding? Would acceptance of danger make us more secure? Is there such a thing as foolproof? In FOOLPROOF, Greg Ip presents a macro theory of human nature and disaster that explains how we can keep ourselves safe in our increasingly dangerous world.