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?” – ...

Radioactivity—which describes the energetic disintegration of atoms—is a constant presence in our lives. There are radioactive gases in the air we breathe, and even our own bodies contain naturally ...

Some wild boar hunted in German forests have radiation levels that exceed the limit deemed safe for human consumption. New research suggests that it’s not just because of Chernobyl. By Christopher F.

When nuclear accidents happen, many people imagine radiation spreading everywhere and lasting forever. The reality is more complex. Radioactive materials move, change and sometimes disappear faster ...

Every year, millions of shipments of radioactive material are transported by land, air and sea. These materials are crucial for medicine, industry, research, agriculture and energy production. Because ...

A transcript of Truthdig's roundtable with researchers and watchdogs on the radioactivity being released during oil and gas drilling.

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 ...