Feature

Mist of Propylene Glycol Effective in Sterilizing Air

Simple Drugs Are Often to Blame for Mental Ills

First Glances at New Books

Front Matter

New Sulfa Drug May Prevent as Well as Cure Meningitis

[Photograph]: Precision

Tuberculosis Is Fought among Defense Workers

Sulfa Drugs Able to Cure by Chemical Warfare in Germ

Psychologists Honored for Research on Vision

German Army Psychologists Make Effective Use of Science

America Must Realize Nazi Terror Opposite of Liberty

Continuous Broadcast of Frequency Signals Resumed