Other people were also dying as a cloud of ferociously intense radioactivity drifted southeast on the prevailing wind.

In addition, the intense medium-term radioactivity of Cs-137 makes handling of nuclear waste difficult.

We're only looking for the intense radioactivity to develop for a very short moment-milliseconds in fact-and then the reaction stops.

The intense radioactivity in the core transforms some of the deuterium in the coolant to tritium.

The element plays no natural biological role in any organism due to its intense radioactivity and low concentration in the environment.

And much of the intense radioactivity from the fission explosion would be spread over the immediate neighborhood - about one kilometer or so.

The main hazard is its intense radioactivity (as an alpha emitter), which makes it very difficult to handle safely.

Var located several small stones with intense radioactivity, and they levered them into the back of the truck by rope and stick.

Only extremely small quantities are used, however, due to its intense radioactivity.

A visible piece of astatine would be immediately and completely vaporized due to the heat generated by its intense radioactivity.