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
Aina (given name) "eyes". The name Aina may refer to: Aina (given name) Aina is a given name that is found in multiple cultures. It is typically a female name in Japan, Latvia, Malaysia, Catalonia, Bangladesh, and Scandinavia, and a male name in Nigeria. Aina is a variant of Aino in Scandinavia, and means "always." In Latvia, the name Aina means "view, sight", and is a variant of the male name Ainārs. In Japan, the name combines the Japanese words 愛 (ai) "love, affection" and 菜 (na) "vegetables, greens". In Bangladesh, Aina is the Bengali word for "mirror." In the Arabic language Aina