Body: People who study "Radioactivity and radioactive substances" investigate the emission(s) of ionizing radiation or particles by atomic-level disintegration.
Goals of "Radioactivity and radioactive substances" include advance atomic-level study, knowledge, and progress the field of atomic power.
Alpha, betta, and gamma which are the three types of radiation are a few themes of "Radioactivity and radioactive substances".
A few scholars of "Radioactivity and radioactive substances" include Marie Curie, Otto Hahn, Wilhelm Rontgen, Pierre Curie.