Tornadoes
These explosively violent storms are so small and short-lived that they are very hard to study. New meteorological methods now help us to pick out areas where they are likely to strike
Features
A "Flying-Spot" Microscope
In which a thin beam of ultraviolet radiation is used to scan living cells. An advantage of the method is that the cells can be examined at length in this harsh light without killing them...
The Earth as a Dynamo
Why is the earth a magnet? The best answer at present is that the slow flow of matter in its fluid core generates electric currents, which in turn set up a magnetic field
The Teaching of Elementary Mathematics
Continuing a survey, begun last month, of the current ferment in science education. The outlook in mathematics: The next few years will bring substantial changes in high-school curricula...
A Study of Self-Disclosure
How much of what we know about ourselves do we tell others? Plainly it varies with the individuals involved. This variation is examined as an approach to the problem of how we form personal relationships...
An Insect and a Plant
Most plant-eating insects prefer one species of plant. Studies of how the corn borer adapts to its host (the corn plant) have revealed significant facts about insect nutrition and behavior...
The Action of Insulin
It is well known that this hormone is involved in the metabolism of sugar. But how? Recent experiments indicate that it presides at the passage of sugar through the outer wall of certain cells...
King Nestor's Palace
Archaeologists have excavated a large structure in southwestern Greece which was probably the home of the man who, the Odyssey relates, received Telemachus as he began his search for Odysseus...
Departments
50 and 100 Years Ago: May 1958
Science and the Citizen: May 1958
- Letters
Letters to the Editors, May 1958
- Recommended
Books - May 1958
- Mathematical Recreation
Mathematical Games - May 1958
- Amateur Scientist
The Amateur Scientist - May 1958
- Departments
The Authors - May 1958
Bibliography - May 1958
