Radiation can be defined as energy traveling through space. There are two types of radiation, ionizing and non-ionizing, which are differentiated by how they interact with matter. Non-ionizing ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. Radiation is energy that moves from one place to another ...

The ionizing radiation symbol, featuring three curved blades emanating from a central point, has been used since 1946 to warn workers, scientists and the public of the presence of radioactive material ...

The medical dosimetry program of the Radiation Effects Research Foundation (RERF), formerly the Atomic Bomb Casualty Commission (ABCC), in Hiroshima and Nagasaki has been conducted since 1961.

The nuclei of certain atoms are stable and under ordinary circumstances, stable nuclei do not undergo change. The nuclei of other atoms are unstable. These nuclei undergo change spontaneously, that is ...

Military personnel enter active duty knowing there are risks involved. One risk that affects a small proportion of veterans is illness caused by radiation exposure during service. Most veterans don’t ...

The first official measures for the relief of atomic bomb survivors were taken by the Japanese government in 1957, 12 years after the atomic bombings in Hiroshima and Nagasaki. The Atomic Bomb ...