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The Wankel Engine

The demands of emission control and cost reduction are making this rotary power plant increasingly attractive for the U.S. automobile. Its proper use probably calls for a redesign of the entire vehicle

By David E. Cole

Imprinting in a Natural Laboratory

A synthesis of laboratory and field techniques has led to some interesting discoveries about "imprinting," the process by which newly hatched birds rapidly form a permanent bond to the parent

By Eckhard H. Hess

The Nature of Aromatic Molecules

"Aromaticity" refers to the exceptional stability of certain ring-shaped organic molecules. Whether a given system is aromatic, nonaromatic or antiaromatic depends on how many of its electrons are "delocalized"

By Ronald Breslow

The Birth of Stars

Since stars grow old and die, they are presumably born. In our galaxy the most favorable conditions for their birth are found in the clouds of dust and gas along the central galactic plane

By Bart J. Bok

Doctor-Patient Communication

Observations in the pediatric clinic of a large hospital indicate that the physician often talks jargon or seems not to fully heed the patient's concerns. Mutual dissatisfaction is a frequent result

By Barbara M. Korsch and Vida Francis Negrete

Origins of the Binary Code

This key element of modern computing systems can be traced as far back as the 17th century, when Francis Bacon devised a binary scheme of lettering for encoding his secret messages

By F. G. Heath

Departments

  • 50 and 100 Years Ago, August 1972

  • Science and the Citizen, August 1972

  • The Neurophysiology of Binocular Vision

  • Cyclic AMP

  • Letters

    Letters to the Editors, August 1972

  • Recommended

    Books, August 1972

  • Mathematical Recreation

    Mathematical Games, August 1972

  • Amateur Scientist

    The Amateur Scientist, August 1972

  • Departments

    The Authors, August 1972

  • Bibliography, August 1972

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August 1972

See the World from a Different Perspective

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