Feature

Blackout Eliminates Puzzling Spectral Lines

Aluminum from Many Sources Intensely Considered by WPB

Four Argentine Scientists to Study Farm Products Uses

Rest Periods Vital in War to Aid Work Efficiency

Nervous and Mental Fitness Most Important at Fifty

[Photograph]: Oldest

In Science Fields

Hatred Is Healthy

New Anti-Malarial Drugs Announced Ahead of Time

Nurses Germs to His Body during Freezing Flight

Nature Ramblings: “Keep ‘Em Healthy”

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