Scientific American Magazine Vol 181 Issue 1

Scientific American Magazine

Volume 181, Issue 1

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Features

The Mathematics of Communication

An important new theory is based on the statistical character of language. In it the concept of entropy is closely linked with the concept of information

Warren Weaver

Allergic Mechanisms in Nervous Disease

When monkeys are injected with their own brain tissue they develop neurological disorders. This remarkable fact raises the question of whether a similar process may occur in man

Elvin A. Kabat

The Craters of the Moon

The classical debate over their origin is gradually being resolved. The author sets forth his summary of the meteorite theory

Ralph B. Baldwin

The Atomic Energy Commission

Under the baleful shadow of bomb politics, it is making halting progress toward the goal of constructive uses for atomic energy. A report on the vast AEC enterprise

Leon Svirsky

Schizophrenia and Stress

A report on the significant new finding that schizoid patients are unable to vary their production of some hormones to adjust to the varying situations of life

Hudson Hoagland

Louis Agassiz

The great Swiss biologist had two careers. The second, which began with his arrival in the U. S., did much to awaken the American people to the importance of science

Alfred Sherwood Romer

The Physiology of Whales

As man has learned to dive deeper and deeper, he has taken an increasing interest in the remarkable diving abilities of the great oceangoing mammals

Cecil K. Drinker

Departments

Letters to the Editors, July 1949

50 and 100 Years Ago: July 1949

Science and the Citizen: July 1949

Books - July 1949

The Amateur Astronomer - July 1949

Bibliography - July 1949