Feature

Front Matter

War Rise in Tuberculosis Predicted for Hungry Nations

Experiments Hint Existence of Paternity Chemical

Military Authority Useful to “Steady” Nervous Soldier

[Photograph]: Learning Code

Crisis Communication

Add to Explanations of Sulfanilamide Action

Science Clubs of America

Nature Ramblings: Changed Ways

First Glances at New Books

Einstein’s Predictions Derived by Mathematician

[Photograph]: Welcome Emblem