. . . . . . . . . . "Explores the nature of radioactivity and presents an historical overview of the scientific developments that led to its discovery. The research of Michael Faraday, Wilhelm Röntgen, and Pierre and Marie Curie is examined, and Henri Becquerel's discovery of radioactivity is highlighted." . "Explores the nature of radioactivity and presents an historical overview of the scientific developments that led to its discovery. The research of Michael Faraday, Wilhelm Röntgen, and Pierre and Marie Curie is examined, and Henri Becquerel's discovery of radioactivity is highlighted."@en . . . . . . . "History"@en . . "History" . . . . "The Discovery of radioactivity"@en . . . "The discovery of radioactivity" . .