The Origins of U.S. Scientists
What is the educational background of our doctors of natural science? A survey indicates that liberal arts colleges produce more of them per thousand graduates than large universities do...
Features
Artificial Respiration
A man apparently dead of electric shock or drowning can live a surprisingly long time. A study of the phenomenon indicates that the common method of resuscitation is inferior to another
Comets
Astronomers have recently constructed some plausible theories about the composition and origin of these periodic visitors to the center of the solar system
Synthetic Fibers
The production of the euphoniously named new textile substances has now outstripped that of wool. What is the physical basis of this technological development?
The Peoples of Pine Lawn Valley
For eight summers archaeologists have pieced together the cultural history of the Indians who lived in a small region of New Mexico while Greece and Rome rose and fell and northern Europe flowered...
The Theory of Numbers
Concerning shipwrecked sailors, the curious habit of Pierre de Fermat, calculating machines, wine jugs, magic squares and other aspects of the fascinating properties of integers
Atomic Microscope
A new instrument reveals the atoms of crystals in two steps: the first involving the diffraction of X-rays, the second the diffraction of light
The Blood Relationships of Animals
Because the serum proteins of a species are as characteristic as its bones, the reactions between proteins from different species may be used to locate them in the evolutionary scheme of things...
Departments
50 and 100 Years Ago: July 1951
Science and the Citizen: July 1951
- Letters
Letters to the Editors, July 1951
- Recommended
Books - July 1951
- Amateur Scientist
The Amateur Astronomer - July 1951
- Departments
Bibliography - July 1951
