Gram staining. Gram staining or Gram stain, also called Gram's method, is a method of staining used to differentiate bacterial species into two large groups (gram-positive and gram-negative). The name comes from the Danish bacteriologist Hans Christian Gram, who developed the technique.
Horizon Oil Sands. Horizon Oil Sands The Horizon Oil Sands project (or Horizon) is an oil sands mining and upgrading project. Horizon is 100% owned and operated by Canadian Natural Resources Limited.
Horizon City is a city in El Paso County, Texas, United States. As of the 2010 United States Census, the population was 16,735, reflecting an increase of 11,502 from the 5,233 counted in the 2000 Census. It is part of the El Paso Metropolitan Statistical Area.