Exactly 33 years after the Chernobyl nuclear power plant exploded, the name "Chernobyl" is still synonymous with disaster. And still, people are fascinated by the mystery of what exactly happened that ...

The physical and financial legacies of that disaster are obvious: a 30-km uninhabited ring around the Chernobyl plant, billions of dollars spent cleaning the region and a major new effort to drum up ...