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

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 ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. “What is radium and why is it dangerous?” – ...

Brachytherapy is a type of radiation therapy. It involves placing radioactive material inside or near a tumor to destroy cancer cells. The procedure has some benefits over other radiation techniques ...

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

The element radium can be found in extremely tiny amounts in the Earth’s crust and oceans, and in its pure form it is a soft silvery metal. To an untrained eye, a small piece of radium may look like a ...