Some minerals in rocks and organic matter (e.g., wood, bones, and shells) can contain radioactive isotopes. The abundances of parent and daughter isotopes in a sample can be measured and used to ...

A hazardous materials team responded to an Oklahoma high school after it was reported that a student brought in a ...

Many chemical elements in rock exist in a number of slightly different forms, known as isotopes. Certain isotopes are unstable and undergo a process of radioactive decay, slowly and steadily ...

Researchers collected soil and ash after the 2020 wildfires in the Chernobyl Exclusion Zone. Chemical tests suggested that ...

These radioactive elements in minerals and ores originally found ... The activity concentrations of the radionuclides in rocks and soil found in the nature are generally low. Certain minerals, ...

That’s the situation that faced authorities in Australia, as they scoured over a thousand kilometers of desert highway for a tiny missing radioactive source with the potential to cause serious harm.

Radon is a radioactive gas resulting from the breakdown of uranium in soil and rock. The Canadian Nuclear Safety Commission (CNSC) told homeowners Jennifer Carling, Lisa Speck and Kathleen Panton ...

Explain that the pennies, dice, and sugar cubes represent atoms of different radioactive isotopes. The boxes symbolize rocks containing those isotopes. Each team's mission is to determine the half ...

Three women who own properties in Elliot Lake, ON are disappointed and shocked after a federal judge rejected their appeal to order the removal of radioactive mine waste rock around their homes.