Feature

War Causes Shortage of Jewels Used in Watches

Fossil Insects Found in Russian Deposits

Monkeys Learn String-Pulling More Easily than Rake-Using

Proper Industrial Piping Called a Health Necessity

In Science Fields

Planets Return

War-Marooned Collections Find American Sanctuary

Noted Materialist States Articles of His Faith

Fewer Foreign Medical Journals Reaching U. S.

Growth-Promoting Substance Sprouts Roots on Leaf Tips

First ‘Flu Vaccine Tests Being Made in Puerto Rico

Color and Light Fluid in New Fountain’s Beauty