Feature

Ruler-Compass Angle Trisection Impossible

Crops Wrecked as Drought Center Shifts to Northwest

In Science Fields

Scientist Protests Ban on Foreign Exploration in China

Front Matter

The McCormick Reaper: “A Classic Invention”

Spiral Motion of Organisms Believed to Be Key to Sex

Army Service Rifle May Be Replaced by Semi-Automatic

The Girl on the Cover

Sod Web-Worms Menace Golf Courses in Ohio

Chinese Breed Hens to Lay Eggs Weighing Quarter-Pound

Talks over Telephone Made up Largely of Word Repetition