This film shows the life cycles of the common (Culex) and the malaria (Anopheles) mosquito. Depicts methods of exterminating larvae and adult mosquitoes. Includes breeding places, the laying of the eggs, the various stages of development, and methods of mosquito control.
DISCLAIMER: This video is part of the Prelinger Archives with the Creative Commons Public Domain Mark 1.0 license. This video is in the Public Domain.
This is a 1960 film about the black widow spider life cycle and her enemies. It is a very educational film. The black widow is a very poisonous spider. View this video to learn how it reproduces and which enemies target it.
DISCLAIMER: This video is part of the Prelinger Archives with the Creative Commons Public Domain Mark 1.0 license. This video is in the Public Domain.
What is Multiple Sclerosis? Multiple sclerosis (MS), also known as “disseminated sclerosis” or “encephalomyelitis disseminata”, is an inflammatory disease in which the fatty myelin sheaths around the axons of the brain and spinal cord are damaged, leading to demyelination and scarring as well as a broad spectrum of signs and symptoms.