Solar Flares
Generally associated with the sunspots, these occasional eruptions in the atmosphere of the sun emit mighty blasts of energy which on earth cause auroras and disrupt radio and wire communication...
Features
The Lethal Effects of Radiation
What is the mechanism by which high-energy waves and particles damage living things? A number of investigations have begun to outline it as a complex chain of physical and chemical events...
How to Teach Animals
Some simple techniques of the psychological laboratory can also be used in the home. They can train a dog to dance, a pigeon to play a toy piano and will illuminate the learning process in man...
Norway Reactor
Norwegians and Dutch join to build one of the heavy-water type
Electrophoresis
It is the migration of charged particles in a fluid between two electrical poles. In recent years the phenomenon has been used with signal success to study and to separate protein molecules...
The Scars of Human Evolution
Although man stands on two legs, his skeleton was originally designed for four. The result is some ingenious adaptations, not all of them successful
The Woodroach
This two-inch variety of the cockroach can be a convenient and useful laboratory animal. The effects of experimental operations on it may be significant with respect to mammals
Weather Instruments
The variable temperature, pressure, moisture and movement of the atmosphere are sensed by devices that have evolved from the rain gauge and the wind vane to rockets and radar
Children's Books
Concerning the popularization of science for younger readers: a Christmas survey
Departments
50 and 100 Years Ago: December 1951
Science and the Citizen
- Letters
Letters to the Editors, December 1951
- Amateur Scientist
The Amateur Astronomer
- Departments
An Index of Articles and Authors
Bibliography
