The Bathyscaph
In this remarkable vessel men can visit the ocean bottom at depths of more than 15,000 feet. Explorations with it are now yielding significant geophysical and biological information...
Features
Anti-Matter
The discovery of the anti-proton and the anti-neutron raises the following question: Do anti-atoms made of these and other anti-particles exist in the universe?
Progesterone
This hormone both causes the uterus to prepare itself for pregnancy and guards the embryo against premature birth by inhibiting the contraction of uterine muscle
The Teaching of Elementary Physics
To give more students a better understanding of the nature of physical science, a new approach to high-school physics is evolving. Its main feature: emphasis on basic principles...
Pompeii
The city which Was buried by Vesuvius has been excavated for two centuries. Two thirds of its 165,000 acres have now been cleared , providing a unique view of Roman life in the first century A...
The Ecosphere
By examining how all living organisms on the earth interact with one another and with their inorganic environment we are able to estimate the amount of life our planet can support
The Chemical Senses
The senses of sight, hearing and touch receive physical stimuli; those of smell and taste, chemical stimuli. These latter senses have recently been the subject of numerous ingenious experiments...
The Flowering Process
At certain points in its development every flowering plant stops making leaf buds and produces flowers. The mechanism of the change is studied by experiments with the cocklebur
Departments
50 and 100 Years Ago: April 1958
Science And The Citizen: April 1958
- Letters
Letters to the Editors, April 1958
- Recommended
Books
- Mathematical Recreation
Mathematical Games
- Amateur Scientist
The Amateur Scientist
- Departments
The Authors
Bibliography
