Feature

Front Matter

Injected Poison from Germ May Prevent Pneumonia

Brains of Great Men

City Population Decreases in Depression’s Third Year

Sex Hormone Injected to Cure Common Infection of Children

One-Celled Animals Grown on Wholly Inorganic Diet

Way Found to Distinguish Cancer Cells from Normal

Tests Indicate Cosmic Rays Are Particles

Slenderizing of Movie Stars Achieved in Projection

In Science Fields

Yardstick Made for Volume of Sound

Students Predict Decline of Western Civilization