Cyanotoxin which is why they are usually green or blue. Cyanobacteria are found almost everywhere; in oceans, lakes and rivers as well as on land. They flourish in Arctic and Antarctic lakes, hotsprings and wastewater treatment plants. They even inhabit the fur of polar bears, to which they impart a greenish tinge. Cyanobacteria produce potent toxins, but they also produce helpful bioactive compounds, including substances with antitumour, antiviral, anticancer, antibiotic and antifungal activity, UV protectants and specific inhibitors of enzymes. Cyanotoxins are often implicated in what are commonly called "red tides" or "harmful algal blooms". Lakes and oceans contain many single-celled
Great Lakes Maritime Academy academy students in January 2014. The "Detroit News" covered the story, and the broader story of Michigan community colleges offering four-year degrees, in an April 16, 2014, article. The college is approved by the U.S. Maritime Administration, the U.S. Coast Guard, and the Michigan Department of Education. A new class begins each year in mid-August (fall semester). Maritime cadets participate in commercial sea projects (semesters at sea) while in attendance at the Great Lakes Maritime Academy. These sea projects are arranged by the academy with shipping companies on either the Great Lakes or oceans. During sea projects, assignments are regularly