Feature

Scientist Directs Huge Magnet in Attack to Smash Atom

Mt. Washington Station Begins Work for Winter

Quinine from Peruvian Bark: “A Classic of Science”

Dangers of Dust in Industry Described at Safety Congress

Whooping Cough May Have Dual Personality

Family History May Be Useful Guide in Choosing Vocation

Front Matter

First Glances at New Books

Suicide Increase Not All Due to Depression

Copy of Columbus’ Map Found in Constantinople

Fifty Million Years of Wild West

Rare Plant Rediscovered in Western Texas Creek