Volume 163, Issue 4
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Features
Bombers Plus Battleships
Both Are Needed For Coordinated Effort
Aircraft Versus Warships
Helldivers
Describing the Technique of Dive Bombing, Conceived for United States Naval Use
Smokeless, Flashless
New U. S. Powders Don't Betray Gun Positions
Propeller Cuffs
Sikorsky's Helicopter
Aviation Editor, Scientific American. In charge, Daniel Guggenheim School of Aeronautics, New York University
Geriatrics
The Newest Medical Specialty Deals with the Aging, Now that the Elderly Increase
Steadily Better, Roto
Three Decades of Science and Child Mortality
How Big Does the Mood Look?
In Which it Turns Out that Astronomy Has Something to Learn from Psychology
When You Steer a Motor-Car
Mechanism Has been Designed to Indicate Steering Deviations When Car is Rolling
Carbon Dioxide on Wheels
Industrial Plants and Military Airports Are Using Mobile Units Carrying Fire Killing Gas
Nylon, Turbine Shafts, and more
The Evanescent Mesotron
With Knowledge Incomplete, Science Strives to Account for some Puzzling Phenomena
Spectro Photometer, Hygrometer, and more
Roots are Pumps
Research Shows Capillary Attraction Has Little To Do With Sap Circulation
Business and Changing Climates
Are Slow Climatic Changes the Basic, Underlying Cause of Economic Cycles?