Feature

Nature Ramblings: Mouse-Size Opossum

Reports 21-Year Experiment in Goitre Prevention

Nearest Outer Galaxy Found to Contain 214,000 Bright Stars

First Glances at New Books

Soil in Seed-Beds Electrically Heated

Fossils of Three-Toed Horse Found in Oregon

In Science Fields

All Flyers Began as Gliders

Dogs Get New Type of Training to Serve as Guides for Blind

Origins of the Vine and the Fig Tree: “A Classic of Science”

Progress toward Control of Infantile Paralysis

Synthetic Lubricating Oil Made out of Paraffin Wax