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Cellular Communication

Cells communicate by means of hormones and nerve fibers. Such communication and all other forms of communication are founded on the information incorporated in the molecules of nucleic acid...

By Gunther S. Stent

Animal Communication

Animals ranging from insects to mammals communicate by means of chemicals, movements and sounds. Man also uses these modes of communication, but he adds his own unique kind of language

By Edward O. Wilson

Verbal Communication

The ability of human language to convey an infinite number of messages and to form and develop new concepts is based on the unique and universal properties of the verbal code

By Roman Jakobson

The Visual Image

What a picture means to the viewer is strongly dependent on his past experience and knowledge. In this respect the visual image is not a mere representation of reality but a symbolic system...

By E. H. Gombrich

Communication Channels

Wires, coaxial cables and radio waves provide the principal channels for telecommunications. In the near future optical channels should make it possible to transmit information in any conceivable volume...

By Henri Busignies

Communication Networks

A channel with many sources and many destinations forms a network. Effective networks call for good switching and resourceful design to minimize the number of branches and to maximize their capacity...

By Hiroshi Inose

Communication Terminals

They convert the message from a source into a form well adapted to a communication channel. At the end of the line other terminals convert the signal into a form suitable for ultimate consumption...

By Ernest R. Kretzmer

Communication and the Community

Cities exist largely because they enhance communication. Modern telecommunication systems provide a means for extending the web of urban communication and improving the quality of urban life...

By Peter C. Goldmark

Communication and Social Environment

Messages are the medium in which human beings exist. Precisely how human behavior and attitudes are shaped by the multifarious forms of mass communication is now beginning to be investigated...

By George Gerbner

Communication and Freedom of Expression

Freedom of expression is a system of communication. The system defined by the First Amendment of the Constitution must now be adapted to the capabilities of modern communication technology...

By Thomas I. Emerson


  • 50 and 100 Years Ago, September 1972

  • Science and the Citizen, September 1972

  • Letters

    Letters to the Editors, September 1972

  • Recommended

    Books, September 1972

  • Mathematical Recreation

    Mathematical Games, September 1972

  • Amateur Scientist

    The Amateur Scientist, September 1972

  • Departments

    The Authors, September 1972

  • Bibliography, September 1972

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