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 ...

This microbe can survive doses of radiation that would obliterate any other living thing. Here’s what this means for science and humanity.

Can a person or object exposed to high radioactivity just take a shower with soap and water, or is more needed for decontamination? When you purchase through links on our site, we may earn an ...