Scientific American Magazine Vol 179 Issue 5

Scientific American Magazine

Volume 179, Issue 5

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Features

Labrador Iron

The red rock of the bleak northern province may be a part of the solution to the coming shortage of ore for the U. S. steel industry

Herbert Yahraes

Cybernetics

The word describes a new field of study shared by many sciences. Among other things, it looks into the processes common to nervous systems and mathematical machines

Norbert Wiener

Spruce, Balsam and Birch

Three trees that live together in the woods of the North are examples of both beauty and utility. One in a series of articles about trees

Donald Culross Peattie

The Sun

Our star is a vast engine for converting matter into radiation. The latter sustains life on earth and also provides some clues for the astronomers

Armin J. Deutsch

Erosion by Raindrop

The impact of an individual drop on the soil does surprising damage. Multiplied by the billions, it is one of the major problems of soil conservation

W. D. Ellison

Bacterial Viruses and Sex

Some fascinating experiments have demonstrated that the tiny organisms which prey on bacteria employ a primitive kind of sexual reproduction

Max and Mary Bruce Delbr&uumlck

Gulliver was a Bad Biologist

Jonathan Swift's famous fantasy gives the modern biologist an opportunity to reflect upon the way living things are tailored to their environment

Florence Moog

Departments

Letters to the Editors, November 1948

50 and 100 Years Ago: November 1948

Science and the Citizen: November 1948

Books

The Amateur Astronomer

Bibliography