Feature

Homes as Weather Bureaus

Teeth Tell Man’s History

Maternal Irradiation

Front Matter

Evolution Fights Loom

[Photograph]: Dr. George D. Birkhoff

New Chemical for Boilers

Fur Coats Come from Foxes, Calves and Rabbits

Scientist, Executive, Publisher

The Chemist and Poison Alcohol

New Cotton Pest Coming

Crime Situation Reviewed by Noted Criminologists