When the Chernobyl reactor exploded, the Soviet Union rushed thousands of volunteers into a lethal radiation zone. Among them ...

Timothy Mousseau, a USC professor with a PhD in biology, and his colleagues have begun conducting the only on-site research initiative regarding the effects of radiation on wildlife in Chernobyl.

Between changing risk perceptions and new equipment developed to cope with extreme hazards, these major disasters have had a profound impact on nuclear safety management.