Radium seventh of a gram of radium. One kilogram of the Earth's crust contains about 900 picograms of radium, and one liter of sea water contains about 89 femtograms of radium. Radium was discovered by Marie Sklodowska-Curie and her husband Pierre Curie on 21 December 1898, in a uraninite (pitchblende) sample. While studying the mineral earlier, the Curies removed uranium from it and found that the remaining material was still radioactive. They separated out an element similar to bismuth from pitchblende in July 1898, that turned out to be polonium. They then separated out a radioactive mixture consisting mostly of two
The Fifth Element films among his readers, regarded as both the best and the worst summer blockbuster of all time. Kermode recalled his own experience: "I remember very clearly being in Cannes when "[The] Fifth Element" was first played, and it "really" divided the audience." Stephen Cass of "Discover" ranked the film the third-best science fiction film on subscription service Hulu, writing, "People seem to either like or loathe "The Fifth Element "... Lavish visuals and entertaining performances from Bruce Willis, Milla Jovovich, and Gary Oldman make this movie worth watching." In some circles the film has gained a "so-bad-it's-good" status; Meredith Woerner