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Cable Television

In two decades the system has acquired more than five million subscribers. The technology is available for the cable network to provide many communication services in addition to television

By William T. knox

The Object in the World of the Infant

At what stage of development does an infant begin to associate qualities such as solidity with objects that he sees? Experiments with infants reveal that this occurs much earlier than expected

By T. G. R. Bower

The Lunar Rocks

Although it is too soon for an analysis of the rocks returned by APOLLO 15, the material provided by earlier missions tells of a moon whose outer shell crystallized more than three billion years ago

By Brian Mason

Carbon 14 and the Prehistory of Europe

Tree-ring measurements have shown that early carbon-14 dates are off by as much as 700 years. As a result the view that cultural advances diffused into Europe from the east is no longer tenable

By Colin Renfrew

Mössbauer Spectroscopy

A physicist's discovery is providing chemists with sensitive measurements of the energy states of atomic nuclei, thereby supplying new clues to the architecture of complex molecules

By R. H. Herber


  • 50 and 100 Years Ago: October 1971

  • The Physiology of Starvation

  • Science and the Citizen: October 1971

  • How Living Cells Change Shape

  • The Measurement of "Man-Day"

  • Letters

    Letters to the Editors, October 1971

  • Recommended


  • Mathematical Recreation

    Mathematical Games

  • Amateur Scientist

    The Amateur Scientist

  • Departments

    The Authors

  • Bibliography

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October 1971

Think Outside the Gift Box