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.
Exam Essay 1. The Deepwater Horizon oil spill was an oil spill in the Gulf of Mexico which flowed for three months in 2010. This spill had a catastrophic on the environment causing extensive damage to marine and wildlife habitats as well as killing 11 workers and injuring 17 others. This spill is the âworst environmental disaster the US has facedâ, according to White House energy adviser Carol Browner.