Helicobacter pylori is a gram-negativebacterium that lives inside the mucus lining of the stomach. It belongs among the proteobacteria. Many gastric ulcers are caused by H. pylori infection, although most humans are infected and not all infections lead to symptoms. Two strains of H. pylori have been sequenced.
... various lands and islands and established a colony on Hispaniola
James Cook, (1728-1779), explored the Pacific, discovering or mapping many lands and islands
Hernan ...