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
Sebastião (given name) as auxiliaries. Notable people with this name include: Sebastião (given name) Sebastião is a Portuguese male given name, descending from the Latin Sebastianus and equivalent to the English name Sebastian. Originally it was a Title given a band of soldiers charged with the guarding of Herod The Great, This troop was sent to aid Julius Ceasar who was besieged in Alexandria by Egyptian forces loyal to Pharoh the co-ruler of Egypt with Cleopatra. It was this rescue which promted Ceasar his Title of Sebaste or the revered ones on them. From this point 'the men of sebaste' became an integrated