Seaweeds : Edible, Available, and SustainableMouritsen takes readers on a comprehensive tour of seaweed, describing what seaweeds actually are (algae, not plants) and how people of different cultures have utilized them since prehistoric times for a whole array of purposes—as food and fodder, for the production of salt, in medicine and cosmetics, as fertilizer, in construction, and for a number of industrial end uses, to name just a few.