A New Science. The beginnings. The setting ; Rays and radiation ; Becquerel's discovery -- The Curies. Maria Skłodowska ; A consequential meeting ; New elements! -- Rutherford, Soddy, particles, and ...
Natural radioactivity arises from primordial radionuclides such as uranium-238, thorium-232 and potassium-40 present in rocks, soils, waters and biota. Assessment of environmental radioactivity ...