Scientific American Magazine

What are the factors that influence voters and decide elections? The investigations of social science have begun to add to the knowledge of the politician

The subterranean rocks of the U. S. hold more water than all its surface reservoirs. Yet the present demand on this mighty store raises the question of whether it is being permanently depleted

When the spinal cord of an animal is cut, a permanent paralysis has been thought to result. Now some remarkable experiments show that in some animals the severed system is capable of learning

An account of the experimental evidence indicating that the factors controlling heredity lie not only in the nucleus of the cell but also in the rest of it

A small mechanical brain that possesses the same fundamental characteristics as its larger relatives can explain in rudimentary fashion how they work

The surgeon's needlework is in many ways similar to that of the housewife, but it requires special skills because of the properties of the material

The technique of replacing electrically charged atoms or groups of atoms with others of the same charge has become increasingly useful to science and technology

Throughout evolutionary history all dominant forms of life except man have been supplanted. Thus far the new dominant forms have sprung from unobtrusive, unspecialized creatures