Scientists count one type of radiation, known as gamma radiation, using high-purity germanium detectors. They are able to take very precise measurements of the number of gamma rays emitted by a ...

Using the United States Environmental Protection Agency's radiation dose calculator, the researchers retrieved data about background radiation from all 3,129 U.S. counties.

Mapping the sources Background radiation maps are critical in these situations because the earth is constantly emitting varying levels of radiation. Some types of rocks emit more than others, and ...

Not all forms of radiation produce the same biological effect, but the main concern from exposure to radiation is the development of cancer. Many people are understandably afraid of radiation, thanks ...

Background radiation is an ionizing radiation that exists in the environment because of natural sources. In their study, BGU researchers show that life expectancy is approximately 2.5 years longer ...

The University of Jyväskylä (Finland), in collaboration with the Finnish Radiation and Nuclear Safety Authority (STUK), has developed a new type of handheld multi-purpose radiation detector that ...

A chest CT scan, on the other hand, exposes the body to two years’ worth of background radiation, he said. Dental X-ray exposure levels are very low — and much lower than they used to be, Dr ...