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.
Deepwater Horizon Oil Spill Disaster. On the 20 of April, 2010 there was an explosion followed by fire on the Transoceanâs drilling oil rig, Deepwater Horizon operating in the Gulf of Mexico, in which 11 men died.