Feature

Books of the Week

Propaganda Is War Threat

Antibiotic Synthesized

American Know-How to Help Other Countries Grow Food

Cow Ova Transplanted

Soviet Navy for Defense

Front Matter

New Machines and Gadgets

The Double Crisis

Stone-Age Game Animals Shown on Engraved Pebble

Floating Weatherdromes Proposed for Atlantic

New Photographic Emulsion Will Help in Study of Sun