Feature

Nostril Closing Found Not so Rare as Believed

Nature Ramblings: Records of Healing

Research on Cotton Hosiery Now Attracting Attention

Front Matter

U. S. Launches 10 Archaeology Expeditions in Latin America

[Photograph]: Exact

Five American Airplanes to Use “Contra-Prop” System

23,000 Lamps and 35 Air Conditioners in Factory

Cancer Growth Prevented in Mice by Yeast and Vitamins

Treating Infantile Paralysis with Sulfapyridine Reported

Sugar Disorder Found in “Smoke” Drinkers

Studying Cosmic Rays from Laboratory Three Miles High