Feature

Synthetic Hormone Made Available to Public

First Glances at New Books

Front Matter

Glass Heated Cherry Red Can Be Plunged into Ice Water

France to Make Bid for Transatlantic Air Travel

Vitamins Outgrow ABCs; Thiamin Treats Neuritis

Sulfanilamide May Be Menace If Self-Administered

Models of “Old Man River” Help Keep Floods in Check

Ultraviolet Light Shrinks Thin Films

Army Reveals Its Method of Making Better Charcoal

New Stress Study Method Aids Machine Design

New Ideas on Immunity to Infantile Paralysis