A Study of Aspirations
The development of a "self-anchoring" scale makes it possible to study the hopes and fears of people in different countries and to find where each man thinks he stands in his own world
Features
The Rotation of Stars
As the sun turns, its equator moves at two kilometers per second. Some stars turn at 550 kilometers per second, fast enough to spin off matter. Such measurements are clues to the history of a star...
Protopsychology
The term is applied to subtle types of behavior recently observed in a primitive worm. Heretofore such behavior had been associated only with animals standing much higher in the evolutionary scale...
Crises in the History of Life
How is it that whole groups of animals have simultaneously died out? Paleontologists are returning to an earlier answer: natural catastrophe. The catastrophes they visualize, however, are not sudden but gradual...
An Assyrian Trading Outpost
Clay tablets unearthed at the site of Kanesh in Anatolia describe in detail an Assyrian merchants' colony there, the headquarters of an extensive commercial system, that linked two ancient cultures...
Shock Waves and High Temperatures
New versions of the shock tube, the device that is used to produce shock waves under controlled conditions in the laboratory, can heat a gas to temperatures approaching those of thermonuclear reactions...
The Fungi of Lichens
Lichens are composite plants, associations of fungi and algae. The problem is to separate the two partners and study the fungi in isolation, and then to try to put the lichen together again...
The Clock Paradox
This celebrated consequence of the special theory of relativity is that two clocks that are moving with respect to each other run at different speeds. The effect rests on nothing other than the Pythagorean theorem...
Departments
50 and 100 Years Ago: February 1963
Science and the Citizen: February 1963
- Letters
Letters to the Editors, February 1963
Erratum
- Recommended
Books
- Mathematical Recreation
Mathematical Games
- Amateur Scientist
The Amateur Scientist
- Departments
The Authors
Bibliography
