there was debate about whether the Kyshtym disaster was truly as dramatic as the defector’s account suggested. Reports emerged of "people falling into hysteria", "unknown, mysterious diseases ...

But after Fukushima and Chernobyl, the third biggest nuclear disaster is called Kyshtym. Never heard of it? That’s because it happened in 1957, at the height of the Cold War, deep in the eastern ...

In 1957, a massive nuclear accident took place at the top secret Mayak nuclear station in the Soviet Union. At the time, it was the largest nuclear disaster in history. So why has no one heard of it?