Scientists may have found a new way to detect some of the universe's most mysterious objects, primordial black holes (PBHs), ...

Background radiation is the invisible radiation that is always present in our environment. It comes from a variety of sources, both natural and man-made. Natural sources include cosmic rays from space ...

In the Big Bang Theory, the cosmic microwave background — microwave-range radiation that floats through the entire universe ...

In cosmology, the cosmic microwave background radiation is a form of electromagnetic radiation discovered in 1965 that fills the entire universe. It has a thermal 2.725 kelvin black body spectrum ...

The ICRP recommends that any exposure above the natural background radiation should be kept as low as reasonably achievable, but below the individual dose limits. The individual dose limit for ...

Chest: 7 mSv, equal to about 2 years of background radiation; Lung cancer screening: 1.5 mSv, equal to about 6 months of background radiation; ...

Hi I am from namibia and am currently doing a study on Natural radioactivity in soils of towns situated around uranium mining companies. I would like to know what health effects does long-term ...

Background radiation, originating from natural sources such as radon and terrestrial materials, as well as human-made activities, can have harmful effects on health and the environment.