Feature

Chemical in Water Stops Corrosion of Iron Pipes

Rubber Bearings Used in Underwater Work

American Chemists Skeptical over Hitler’s Self-Sufficiency

Watch Your Weight for Your Heart’s Sake

Nature Ramblings: Ancestor-Hunting

Research and Education Remedies for U.S. Soil Ills

Few Recreation Interests Are of Life-Long Value

First Glances at New Books

Front Matter

Single-Seat Pursuit Plane Gives Way to Bigger Fighters

Goldfish Survive Brief Immersion in Liquid Air

Synthetic Antigens Promise Revolution in Immunology