Feature

First Glances at New Books

Front Matter

Hopeful Outlook for Babies Born with Heart Defect

Italy’s Air Force Weaker than Several Years Ago

Lightning Not Menace to Modern Planes

British Fighter Plane Has Turrets That Fire Broadside

Ape Babies to Be Trained in New Experimental Nursery

Hall of Inventions Opens at N. Y. World’s Fair

Is the World Facing Famine? Dark Question Haunts Experts

In Science Fields

Revolution in Photography May Come from New Process

Negro’s Ability to Stand High Temperatures Important