Scientific American Magazine Vol 179 Issue 4

Scientific American Magazine

Volume 179, Issue 4

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Features

The Bingham Plan

A little-known foundation in New England has achieved a practical solution to the problem of bringing hospital services to rural areas

Leonard Engel

Long-Range Forces

Alexandre Rothen's proposal that they may account for specific chemical reactions between molecules that are not in contact has begun a heated debate

Thaddeus Stern

World's Accelerators

The machines used to penetrate the nucleus of the atom are scattered over the earth. Herewith a map showing those known to U. S. physicists

A New Theory of Tooth Decay

The originator of a simple new treatment which seems to offer hope of preventing the common affliction states his argument

Bernhard Gottlieb

"The Great Ravelled Knot"

It is the human brain, a vast entanglement of nerve cells. An account of how the brain has been explored to locate areas that are devoted to specific functions

George W. Gray

Origin of the Ice

Eccentricities in the motion of the earth may account for the glacial epochs of the past, thus assuring others for the future

George Gamow

Right Hand, Left Hand

Considering the phenomenon in man, zoologists have examined such things as the spiral shell of the snail and the flounder's traveling eye

Lorus J., Margery J. Milne

The Chemistry of Silicones

The artificial compounds that have created many new products are the offspring of the marriage of organic to inorganic chemistry

Eugene G. Rochow

Departments

Letters to the Editors, October 1948

50 and 100 Years Ago: October 1948

Science and the Citizen: October 1948

Books

The Amateur Astronomer

Bibliography