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[Photograph]: Cold Light

Night-Blooming Cereus Opening Is an “Event”

Influenza Epidemics Are Predicted for 1940 and 1941

Giant Propellers Being Made from Wood and Plastics

Discoveries Show Ancients Used ‘War of Nerves’ Too

Ten Commandments Offered for Propaganda Protection

Vitamins Replace Narcotics in New Treatment of Insomnia

“Blitzkrieg” Plan Adopted by U. S. Forest Service

Listening in on War

New Weather Office Tries Combined Forecasts

First Glances at New Books

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