Features
Notes on Research in Telepathy
Travel Today at Bargain Rates
Our Third-Rate Navy Could not Fight Japan
Radio Waves Kill Insect Pests
High-Power, Short-Wave Radiations Effectively Destroy Insect Pests but Do Not Damage the Infested Material
Soaring on the Wings of the Wind
Escape from a Sunken British Submarine
Measuring the Counterglow
Sweet Beets
Economic Aspects of the Sugar Beet Industry; How the Sugar is Extracted
Sexual Abstinence as a Biological Question
Is Sexual Intercourse a Physiological Necessity?
The Amateur Astronomer, May 1933
Departments
- Departments
Across the Editor's Desk, May 1933
Back of Frontispiece, May 1933
Beet Sugar Awaiting a Favorable Market
Our Point of View, May 1933
Squaring the Circle Forever Impossible, Rubber Prisms Improve Tires and more
Current Bulletin Briefs, May 1933
Commissioner Asks For Reduced Patent Fees, "Pinetex" versus "Pinex" and more
Books Selected by the Editors, May 1933