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 Maritime Academy where the T/S "State of Michigan" is moored only from the buildings rear. The Great Lakes Maritime Academy cadets earn their required maritime credentials, "write" for their United States Coast Guard license and earn a bachelor's degree in Maritime Technology. This program prepares graduates for management level positions aboard the largest ships of any type on the Great Lakes and oceans. Individuals who are admitted to the academy follow a four-year curriculum with a condensed curriculum offered to those who have already earned a Bachelor's (or higher) degree. The maritime curriculum includes classroom instruction, labs, simulation and three