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 Race en Discovery Channel 1 The Amazing Race en Discovery Channel 1 The Amazing Race en Discovery Channel (; ) is a Latin American reality television game show based on the American series, "The Amazing Race". The first season of the show featured eleven teams of two with a pre-existing relationship, in a race across Latin America to win US$250,000. The race was produced by RGB Entertainment. The host of the show is Harris Whitbeck. The Amazing Race en Discovery Channel premiered on Sunday 20 September 2009 at 10:00 p.m.(UTC-5). The season finale was aired on 13 December 2009 at 10:00 p.m. (UTC-5). Argentine married