Algae as Food
The one-celled plant Chlorella may become an important part of the world's food supply. An account of the first, promising attempts to grow it economically on a mass scale
Features
High-Speed Research Airplanes
An account of what can be told in public about the investigation of flight at speeds beyond "the sound barrier" now being conducted by NACA in partnership with the military services and industry...
Chemical Analysis by Infrared
Electromagnetic waves make the atoms in a compound vibrate. The frequencies to which a substance responds can tell much about its structure and about the nature of chemical bonds
Human Growth
The complete physical, physiological and psychological histories of 160 boys and girls recorded by the Denver Child Research Council are yielding a clear picture of how a normal individual grows up...
Evolution Observed
The study of bacteria through as many as 7,000 generations shows that the strain goes on improving indefinitely even in a constant environment, as mutation and selection produce ever fitter types...
History in a Peat Bog
The floor of an ancient Danish lake yields relics of Dark Age tribal conflicts that are remembered today in the legends of Beowulf and King Arthur
Michael Faraday
His great series of discoveries in electromagnetism founded the electrical industry, but his greatest achievement was the field concept. In this he was a bold precursor of Einstein
How a Rattlesnake Strikes
An investigation with high-speed photography probes a question of some interest to herpetologists as well as potential victims: Does it stab you with its fangs or close its jaws in a true bite?...
Departments
50 and 100 Years Ago: October 1953
Science and the Citizen: October 1953
- Letters
Letters to the Editors, October 1953
- Recommended
Books
- Amateur Scientist
The Amateur Scientist
- Departments
The Authors
Bibliography
