By Dr Abdulrazzaq Hashim Aloujaili Introduction: An Entry into the World of Blue-Green Algae Spirulina is one of the oldest living organisms on Earth. It is a microscopic, filamentous, multicellular microalga that biologically belongs to the family of cyanobacteria (blue-green algae). These algae grow naturally in tropical and subtropical lakes characterized by highly alkaline, warm, […]











