The use of ionizing radiation in medicine is well established, both in diagnosing and in treating diseases. At the same time, growing evidence of unintended and unnecessary use of radiation in ...

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 ...

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 ...

The U.S. Environmental Protection Agency said it will test soil samples for chemical contamination, in addition to ...