Feature

Antiquated Science of 1875 Slows Progress in Defense

Nature Ramblings: Children of New Skies

New Infantile Paralysis Treatment Gets Approval

[Photograph]: White Squirrels

Doctor Harlow Shapley Receives Pontifical Honor

Front Matter

Major Wars Not Started by Public War Fever

Drug Speeds Evolution as Does Colchicine

War Slows, but Does Not Stop Astronomers’ Search of Skies

First Glances at New Books

Million-Volt X-Ray Used to Change Heredity

Phonetic Way of Writing Thai Language Helps Foreigners