Scientists studying stranded pygmy sperm whales have uncovered three previously unknown genotypes of Helicobacter bacteria living in the animals’ stomach tissues. Pygmy sperm whales (Kogia breviceps) rank among the ocean’s most mysterious marine mammals. These animals are seldom observed and remain poorly studied because they spend most of their lives far from shore. They typically [...]from SciTechDaily https://ift.tt/WRYPj4f