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 ...

A radioactive iodine uptake (RAIU) tests the function of your thyroid gland, which helps regulate your metabolism. It works by measuring how much radioactive iodine is absorbed by the thyroid gland, ...

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.

Proposals to harmonize guidance on radioactivity in food and drinking water in non-emergency situations have reached a milestone with the development of a document based on international consensus on ...

Sealed radioactive sources (SRSs) are used extensively in agriculture, industry, medicine, and various research areas in around the world. Almost all countries utilize SRSs in some manner. With the ...