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The Relation of Highways to Freight Transportation

By W. A. Alsdorf

Electricity in Agriculture

Animal Life at the Front

By William Beebe

The Concrete Ship Problem

A Review of Facts Developed in Recent Discussions

Irrigation in Mesopotamia

The Bird Cult of Easter Island


And the Principle of Relativity

By A. S. Eddington

New Radiographic Method

The making of Monster Guns

The National Electric Safety Code

Rescuing the Art Treasures of Venetia—I

From the Air Raids of the Austrians

By Arduino Colasanti

Skin Cancer

The Manufacture and use of Die-Castings

An Important Industry of Recent Development

By Charles Pack

The Infectivity of Trench Fever

Blast-Furnace “Bears”

The Relationship of the Most Ancient Flint Implements

To the Later River-Drift Palreoliths

By J. Reid Moir

Electricity in Medicine

Diathermy And Radiography

Toxin Production in the Soil by Growing Plants

Improving the Sugar Beet in Europe

Industrial use of Grapevine Branches

A Study of the Proteins of Certain Insects

With Reference to their Value as Food for Poultry

By J. S. McHargue

Methods for Cutting Glass Discs

Peanut Oil Cake for Animal Food

Heat Treatment of Steel

Effect of a Mass

Product Possessing Rubber-Like Properties


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    July 13, 1918

    Science for the Modern World