Marie Curie was present in such minute quantities that they would eventually have to process tons of the ore. In July 1898, Curie and her husband published a joint paper announcing the existence of an element which they named "polonium", in honour of her native Poland, which would for another twenty years remain partitioned among three empires (Russian, Austrian, and Prussian). On 26 December 1898, the Curies announced the existence of a second element, which they named "radium", from the Latin word for "ray". In the course of their research, they also coined the word "radioactivity". To prove their discoveries beyond any
The Apocalypse Element The Apocalypse Element The Apocalypse Element is a Big Finish Productions audio drama based on the long-running British science fiction television series "Doctor Who". It forms the second serial in the Dalek Empire arc, following on from events in "The Genocide Machine". The arc continues in "The Mutant Phase" and concludes in "The Time of the Daleks". At a conference on Archetryx between major temporal powers, the Sixth Doctor and Evelyn discover that Romana has been missing for twenty years and that the Daleks' newest weapon — the Apocalypse Element — threatens not only the Time Lords but the entire