Feature

Millions of Horsepower in Southern Rivers

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White Civilization Kills New Guinea Savages

Gases Dense as Metals in Stars

New Sounding Method Improved by Coast Survey

Simple Science by Wow: Bread

Doctors Doubtful of Cancer Serum

A Table Trick and What It Teaches

Spots on Venus Arouse Interest of Astronomers

Organization to Study Tropic Plants

Drug Addicts Fewer Federal Report Says

Tidal Motor Made by Bulgarian