Feature

Worry during War Normal but Shouldn’t Harm Work

New Vitamin Hunger Disease Is Found; Cured by Biotin

New Mental Ill Forecast; It Is “Radio Fatigue”

Rubberless Wheels Are Not Considered Generally Practical

Modified Blackouts Suggested by Electrical Engineer

[Photographs]: The “Canard”

New Machines and Gadgets

Hypnosis Urged for Speed-up Treatment of War Neurosis

Science Clubs of America

First Glances at New Books

Organized Blood Bank Is Complex Job

Silver Lining to Tin Shortage