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 ...

Radiation exposure, whether from natural sources, medical applications, nuclear events, or space environments, presents complex challenges that span ...

Doctors may use radiation therapy to treat benign tumors. Radiation can shrink and eliminate benign growths without doctors having to perform surgery. Benign tumors are noncancerous growths that can ...

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 [email protected]. “What is radium and why is it dangerous?” – ...

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