Scientific American Magazine

U. S. formations of the rock contain far more fuel and chemicals than our entire known reserve of petroleum. Some recent studies show that one such formation could be economically mined now

As aircraft and missiles attain higher and higher altitudes the question arises: Where, for practical purposes, does the atmosphere of the Earth end and interplanetary space begin?

The exciting new method of measuring the age of organic materials is not entirely without difficulties, but the process of investigating them is enriching the whole study of human and geological history

For more than two years the dome of the 200-inch telescope has been open every clear night. An account of how the astronomers on the mountain have used the instrument in their explorations

Some recent studies show that the scourge of winter soldiers and high-altitude fliers may best be treated by rapid thawing, and that some time-honored "remedies" may actually be harmful

Structure of cleansing substances is revealed by electron microscope

Although it is unlikely that this unhappy condition can ever be cured, some new experiments with animals suggest that it and many other congenital defects may someday be prevented

Is the hereditary endowment of the human species improving or deteriorating? As our knowledge and control of the situation increase, we will face unprecedented and momentous decisions