Radiation risk can be measured, understood and controlled in ways that keep people safe, including from contaminated foods.

The rise of a new generation of radiotherapies means we will soon need much greater quantities of radioactive atoms. That's ...

The type of radioactivity that I often speak about with Alaska residents comes from a naturally occurring substance, radon gas. And though radon’s alpha radiation comes from buried uranium, the main ...

In this lesson, students will investigate the nature of radioactivity and the effect of both distance and shielding materials on different radioactive sources using a Geiger-Muller tube with a counter ...

They present a compelling story of radiation, mutation and survival against the odds. But the underlying science didn’t ...