Discusses the use of visual media as symbol systems that gather, package, and convey knowledge. Media's different and often unique symbol systems are looked at as potentially serving as cultivators of mental abilities. Forty-nine references are provided. (Author/CHC)

Given the role science and technology play in economic and social development in today's world, scientific and technological literacy must be given priority as an essential component of basic education. The significance of the visual component of literacy has increased with advances in technology and picture and image usage. The United Nations…