Naturally occurring radioactivity can be found throughout the earth's crust. Some of these radionuclides decay into stable elements, such as 40 K 40 Ar, 14 C 14 N and 87 Rb 87 Sr. Others are members ...

This article is co-published with ProPublica, a nonprofit newsroom that investigates abuses of power. About 5 billion years ago, stars merged and exploded, creating uranium that eventually became ...

All radioactive materials which naturally occur in water will produce at least one isotope of radon as a decay product. As radioactive atoms are transported through groundwater aquifers in the form of ...

Suggested Citation: "Executive Summary." National Research Council. 1999. Risk Assessment of Radon in Drinking Water. Washington, DC: The National Academies Press. doi: 10.17226/6287. International ...

Most radon inspection costs range from $146 to $716, though a typical average is $420. Homeowners anticipating the cost of a radon inspection will need to consider factors such as the home size, ...

Some level of the odourless, colourless radioactive gas is in every home — but long-term overexposure is considered a Class 1 ...

The University has closed off the basement of Forbes College after students raised concerns that area, as well as the basement of Edwards Hall, might contain unusually high concentrations of the ...

When temperatures are freezing, many people ventilate their homes much less frequently. This can significantly increase the level of radioactive radon in the home, experts warn. Radon, a colourless ...

Add Yahoo as a preferred source to see more of our stories on Google. Toenails are a way to track long-term exposure to radon. The team is soliciting toenail donations (sorry, only from Canadians) to ...