Feature

Fossil Jaw of Whale Found near Washington

First Glances at New Books

[Photograph]: Powerful Magne

Front Matter

Oxygen Starvation in Tissues Jeopardizes Altitude Flying

Magnolia Blooms Brave Cold of Early Spring

Unbalanced Nerves Can Cause Heart Disease and Ulcers

[Photograph]: Warped Rocks

Fixed National Boundaries Likely to Bring about War

[Photograph]: Quartz Spring

Plastics Used for Making Coated Waterproof Paper

New Books on Science