Feature

In Science Fields

New Anti-Malarial Drugs Announced Ahead of Time

Rest Periods Vital in War to Aid Work Efficiency

Decreased Drug Addiction May Have Complex Cause

Exchange of Microfilms Helps Science War Effort

Front Matter

More Worlds in Heavens, Perhaps, than Supposed

Hatred Is Healthy

Scientists Pool Knowledge, Report Data to WPB

[Photograph]: Land Battleship

Dust Analysis Promises New Weapon against Disease

Fast-Growing Chinese Elm Shows up Well in Tests