Feature

First Glances at New Books

Volume Information

Front Matter

Call to Action Sounded for All Men of Science

[Photograph]: Earth’s Magnetic Field Duplicated

Protection of Civilians Is Paramount Duty of Science

[Photograph]: Diatoms Test Lens Quality

Low Cost “Atom Sifter” Sorts Atoms by Their Weight

[Photograph]: Detect Radioactivity

Erratum: Meningotoxoid a Possible Weapon against Meningitis

Erratum: Hay Fever Time

Erratum: Rumania Has Grain, Wood, Richest Oil Fields in Europe