Lessons from the massive Chernobyl nuclear accident about how we deal with modern hazards that are largely imperceptible. Before Fukushima, the most notorious large-scale nuclear accident the world had seen was Chernobyl in 1986. The fallout from Chernobyl covered vast areas in the Northern Hemisphere, especially in Europe. Belarus, at the time a Soviet republic, suffered heavily: nearly a quarter of its territory was covered with...