Feature

Plagues to Come in War’s Wake Microbiologist Predicts

Air Neutrality of Netherlands Protects Germany’s Vitals

Poles Have New Superior Maps Not Available to Germans

In Science Fields

Rockets for Tomorrow’s Warfare

Airplanes Raise Question of How High Neutrality Goes

Bacteriology of Foods Extremely Important in War

New Instrument Aids in Making Airplanes Safe

Nature Ramblings: Treeline Stays Put

First Glances at New Books

Front Matter

Propaganda Protection Needed in the United States Today