Feature

Burning Diamonds Shows Why Some Fluoresce

Sugar Rationing Called a “Godsend” to National Health

Merry-Go-Round Maker Converts Plant for War

Frozen Dried Blood Plasma Helps Bleeding Disease

Virus Theory of Human Cancer Gains Support from Research

War Rise in Tuberculosis Predicted for Hungry Nations

New Plan of Examining Draftees Called Costly and Dangerous

Steam Blows up Volcanoes as It Does Defective Boilers

Vitamins Added to Beer by New Invention

Tobacco Users Warned to Avoid Young Tomatoes

Science Observer

Wood Substitutes for Substitutes