Feature

Reports 21-Year Experiment in Goitre Prevention

All Flyers Began as Gliders

In Science Fields

[Photograph]: A Giant from the Indian Hills

Nearest Outer Galaxy Found to Contain 214,000 Bright Stars

Progress toward Control of Infantile Paralysis

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

Flour Made from Dried Fish Becomes Valuable Food

Fossils of Three-Toed Horse Found in Oregon

Nature Ramblings: Mouse-Size Opossum

Soil in Seed-Beds Electrically Heated

First Glances at New Books