Feature

Untapped Sources of Oil

Front Matter

Bacitracin Goes on Trial

Meteors Spotted by Radar Better than Visually

Tonsil Removal Doesn’t Predispose to Polio

Science Previews for 1948

First-Born More Selfish

Baby Care Just Average

Stress May Be Ulcer Clue

Barge Climbs Banks

Predict Heavier Elements

New Full Color Process for Movies Announced