Roentgen equivalent man has been defined since 1976 as equal to 0.01 sievert, which is the more commonly used SI unit outside the United States. A number of earlier definitions going back to 1945 were derived from the roentgen unit, which was named after Wilhelm Röntgen, a German scientist who discovered X-rays. The acronym is now a misleading historical artifact, since 1 roentgen actually deposits about 0.96 rem in soft biological tissue, when all weighting factors equal unity. Older units of rem following other definitions are up to 17% smaller than the modern rem. One rem carries with it a 0.05% chance of
The Amazing Catfish The Amazing Catfish The Amazing Catfish () is a Mexican comedy-drama film, written and directed by Claudia Sainte-Luce. The film stars Ximena Ayala as Claudia, a young woman who becomes a caretaker for Martha (Lisa Owen), an older matriarch dying of AIDS. The film premiered on August 10, 2013 at the Locarno International Film Festival, where it won two Junior Jury Awards and was a nominee for the Golden Leopard. It had its North American premiere on September 10, 2013 at the 2013 Toronto International Film Festival, and was named winner of the FIPRESCI Discovery Prize. Rotten Tomatoes gives the