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Progress toward Fusion Power

The controlled release of thermonuclear energy requires solving the problem of confining a hot plasma of electrons and positive ions. The problem is slowly yielding to analysis and experiment...

By Richard F. Post and T. K. Fowler

The Genetic Control of the Shape of a Virus

The protein shell of a virus is an assembly of subunits. In simple viruses the subunits themselves may specify the shape of the shell. Complex viruses seem to be formed on an interior core, or scaffold...

By Edouard Kellenberger

The Problem of the Quasi-Stellar Objects

The observational evidence on these strange celestial objects presents many mysteries. The central question is still whether they are at the edge of the universe or relatively close to us...

By Fred Hoyle and Geoffrey Burbidge


There is widespread concern that the noisy environment of modern man not only is distracting but also causes damage to the ear. What are the facts of the matter, and how can noise be brought under control?...

By Leo L. Beranek

The Visual World of Infants

Does an infant see things in the same general way adults do, or must he learn to do so? The question is taken up by means of conditioning experiments with infants, In which the reward is a cheery peekaboo...

By T. G. R. Bower

Pella: Capital of Ancient Macedonia

The city where Euripides died and Alexander the Great was born is gradually being uncovered by Greek archaeologists. Among their most striking finds are mosaics made of pebbles

By Ch. J. Makaronas

Numerical Taxonomy

The computer has made it possible to consider large numbers of characteristics in classifying many phenomena, notably living organisms, fossil organisms and even imaginary organisms

By Robert R. Sokal


At the molecular level the seemingly rigid perfection of a crystal of ice is disrupted by an astonishingly busy traffic of molecules and migrating lattice faults

By L. K. Runnels


  • 50 and 100 Years Ago: December 1966

  • Science and the Citizen: December 1966

  • Letters

    Letters to the Editors, December 1966

  • Recommended


  • Mathematical Recreation

    Mathematical Games

  • Amateur Scientist

    The Amateur Scientist

  • Departments

    The Authors

  • Annual Index

  • Bibliography

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