Feature

Canadian Scientists Attack Unknowns of Arctic Frontier

Species New to Badlands among Fossils at Princeton

Scientist Gives Principles for Practical Propaganda

Super-Atomic Bullets Smash Lithium Atoms for Americans

First Glances at New Books

Monkey-like Animal Found in German Lignite Mine

Discarded Batteries Caused Lead Poisoning Outbreak

Huge Airplane Tires Used on Tractors

Specifications Given for Readable Auto License

“Oldest American House” Dated by Tree Calendar

Mt. Washington Station Begins Work for Winter

Dangers of Dust in Industry Described at Safety Congress