The Wars of Insects
The Struggle for Existence Involves Every Living Creature
Volume 85, Issue 2209supp
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Features
New “Total-Immersion” Hydrometer
The Dead Sea not Dead
The Physical Power of Women
Scientific French, as it is Written
Where Germany is obtaining Indispensable Supples
The Enclosed Observing Room
Malaria in Rumania
Human Aids to Machines
Man's Productive Capacity, Past and Present
Health of Hog versus Health of Man
The Energy Required to Produce Rain
Some Familiar Bird Friends
The Nuthatches and the Chickadees
The Cheese Mite
Evolution of Cable Making
The Employment of Women in Munition Factories
Merchant Ship Design and Torpedo Attack
War Aviation
Reviewing the Flying Experience of a British Expert
Operating Cost of Highways
Ferro-Concrete Ships—I
A Review of some of the Technical Features of Construction