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Features

Fresh Water from Salt

The thirst of civilization now presses hard upon the naturally available supply of fresh water. It is easy enough to desalt sea water, but it must be done cheaply, abundantly and soon

By David S. Jenkins

The Child and Modern Physics

A Swiss psychologist experiments with babies, including his own, and comes to the conclusion that their view of reality has much in common with that of the sophisticated physicist

By Jean Piaget

The Crab Nebula

It shines with a strange sort of light that gives evidence of a wholly unexpected natural phenomenon. This glowing body of gas is apparently a gigantic electron synchrotron

By Jan H. Oort

Hormones

These potent biological substances are called the chemical messengers of the body. They may also be viewed as members of a larger system which integrates the phenomena of life

By Sir Solly Zuckerman

Frozen Free Radicals

Molecular fragments, which normally have a fleeting existence during chemical reactions, can now be preserved by rapid cooling. The study of their properties is an exciting new field of research

By Arnold M. Bass and Charles M. Herzfeld

Galen

This renowned physician of the ancient world established experimental physiology. Although the customs of his time forbade the dissection of the human body, he learned much about it by operating on animals

By Frederick G. Kilgour

The Jewish Community of Rome

How do social forces mold the evolution of man? The answer is sought by a geneticist and a sociologist, father and son, in a community which has kept its identity for 2,000 years

By Leslie C. and Stephen P. Dunn

Pursuit of a Disease

Porphyria, a rare hereditary condition which may become fatal when patients receive drugs, was found to be unusually common in South Africa. It has been traced to an early Dutch settler

By Geoffrey Dean

Departments

  • 50 and 100 Years Ago: March 1957

  • Science and the Citizen: March 1957

  • Letters

    Letters to the Editors, March 1957

  • Recommended

    Books

  • Mathematical Recreation

    Mathematical Games

  • Amateur Scientist

    The Amateur Scientist

  • Departments

    The Authors

  • Bibliography

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March 1957

Think Outside the Gift Box