Feature

Selenium in Soil Delayed in Its Action on Livestock

First Glances at New Books

Front Matter

Cure for Cancer May Be Found in Defensive Diet

Breeding for High and Low Produces Strange Contrast

Physician Stops Human Heart and Starts It Again at Will

Chinese Conflict Involves Region of Peking Man

[Photograph]: Inside the Stratosphere Gondola

Huge Island Universe Found in Cloud of Star Dust

Intense Sound Makes Milk More Easily Digestible

Writing of Ancient Slave Confirms Old Testament Story

Hereditary Defects Crop out Anew in Each Generation