The Greatest Technical Blunder of the War, The National Academy of Sciences and the National Government and more

Safety Spurs for a Railroad Grade, The Current Supplement and more

Strategie Moves of the War—August 19th, 1915

Captive Balloons on the French Front

[Article is illustrated by cover image]

The Business Men's Training Camp at Plattsburg

A Spontaneous Movement of United States Citizens for Self-Defense

Artificial Immunity Against Typhoid Fever

How Mortality of a Dread War Disease Has Been Reduced

The Psychology of Baseball, Vividiffusion Experiments on the Ammonia of the Circulating Blood and more