Volume 161, Issue 4
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Features
Insanity at the Wheel
To What Extent do Psychopathic Cases Contribute to Motor-Vehicle Accidents? . . . Weeding Out the Unfit by Specialized Analysis of Attitudes
Research on High Pressures
A Curiosity of Science is Proving to Have Direct Practical Bearing on a Large Number of Industrial Problems, Examples of Promising Applications.
Noise Control
Necessity, Not a Fad, Controlled at Source, Stopped or Damped by Scientific Design, Improved Efficiency, Calm Nerves, Less Deafness
Our Galaxy Re-Measured
Galactic Rotation Efects, Interstellar Absorption and Certain Dynamical Constants of the Galaxy Have Been Determined from Cepheid Variable Stars
Cuba-Key to Manganese Problem
Manganese Vital in Steel Manufacture, We Have None, War Would Cut Down Imports, Cuba Now Supplies Some, Momentous American Achievement
Eyes that See Through Atoms
Spectroscopic Analysis the Supersensitive, In Vitamin Research the Spectroscope Short-Circuits the Overworked Rat, The X-Ray Spectrograph
Two Elements for One
The Most Important Scientifc Discovery of the Present Year is also the Biggest Explosion in Atomic History, Splitting the Uranium Atom
Preserved in Plastics
High Blood Pressure
Various are the Possible Causes of this Ill, but Worry and Nervous Excitement Probably are Large Factors . . . Calm Rest the Best Cure . . . Loaf, Loaf, Loaf