Kappaphycus alvarezii as semirefined carrageenan. "K. alvarezii" is affected by ice-ice, a disease that severely reduces its yield. This alga is an introduced species and a noxious aquatic weed in Hawaii. Kappaphycus alvarezii Kappaphycus alvarezii, the elkhorn sea moss, is a species of red algae. It is one of the most important commercial sources of carrageenans, a family of gel-forming, viscosifying polysaccharides. Farming methods affect the character of the carrageenan that can be extracted from the seaweed. This alga grows to two meters long and is green or yellow in color. It is very fast-growing, known to double its biomass in 15
Purple Death from Outer Space Purple Death from Outer Space Purple Death from Outer Space is a 1966 American feature length compilation of the first half of the 1940 serial "Flash Gordon Conquers the Universe". A second feature with footage from the final half of the serial was used to complete another 1966 feature film "Perils from the Planet Mongo". Both were made available directly as made-for-TV movies. When the Earth is attack by a mysterious substance causing death and leaving the victim purple, Dr Zarkov, Flash Gordon, and Dale Arden discover the deaths are caused by one of Ming's spaceships from the planet Mongo.