Feature

More Children Headed for Asylums than for College

Powdered Sugar May Run European Automobiles

Front Matter

[Photograph]: Weapons of a Pioneer

The Colt Revolver: “A Classic Invention”

First Direct Photographs of Sun’s Hydrogen Flames Made

Calcium Fails to Stop Cancer; Pepsin Index to Ulcer State

Tellurium Added to Lead Protects against Acid

Oldest Old Testmanet Scenes Unearthed on Euphrates

Politics in the Laboratory Use Scientific Methods

Millions of Birthday Lights for Dr. Elihu Thomson

Nature Ramblings: Wings for the North