It’s 40 years since an explosion at one of the reactors at the Chornobyl nuclear power plant north of Kyiv resulted in a horrendous catastrophe that shook the world and contaminated and traumatized Ukraine and parts of Belarus. What occurred was bad enough – the consequences are still with us – but it could have been far worse, not only in Eastern Europe, but for the entire planet. We survived, though dozens were killed, and a substantial, though unknown, number affected by the deadly,