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 Chemical Corporation oil and gas, instead focusing on the research and production of bromine-based chemicals. At about this time, the company assumed its current name (Great Lakes Chemical Corporation) and built the world's largest bromine plant in southern Arkansas. Great Lakes grew through the following decades, acquiring several smaller companies in its market and establishing its world headquarters in West Lafayette, Indiana. Among those acquired by Great Lakes was BioLab in 1996, a producer of pool and spa products. The ticker symbol for Great Lakes on the New York Stock Exchange was GLK. On May 22, 1998, Great Lakes spun off their