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Features

The Pleistocene Man of Vero, Florida

A Summary of the Evidence of Man's Antiquity in the New World

By F. H. Sterns

Some Reactions of Acetylene

By W. R. Hodgkinson

Tanning

Tree Planting to Control Snow and Wind

Protection for the Farmer and the Railroad

By W. C. Palmer

A New British Oil Industry

The Present Position of Metamorphism

Cost of Producing Calcium Carbide

Problems of Atomic Structure—V

Differences Characteristic of Different Elements, and Mechanism of the Molecule

By J. J. Thomson

Magnesite

The Hadfield Prize

For a New Method of Determining the Hardness of Metals

Gathering Kauri Gum in New Zealand

A Little Known but Important Industry

By Harold J. Shepstone

Vitamines in War-Time Diets

Long Range Artillery Calculation

By George Greenhill

Mineral Wealth of Alsace-Lorraine

Mineral Riches of the Far East

A Miracle Explained

Remarks on the Temperature of Space

By Ch. Fabry

Proper Storage Conditions for Potatoes

The Pyranometer

An Instrument for Measuring Sky Radiation

By C. G. Abbot and L. B. Aldrich

Detecting Organic Impurities in Sands

The Electroculture of Crops

A Review of Important Experiments in Plant Physiology

By Ingvar Jorgensen and Walter Stiles

High Flying in Modern Aeroplanes

The Standardized Infant

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    June 08, 1918

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