Feature

New Machines and Gadgets

Front Matter

Polio Prevention Closer

Interconnecting Pipelines

Seven Seek Each Science Foundation Fellowship

Jet Oiling for Metal Cutting

Florida Rats Help Fight Disease in Britain

Thunderstorms Intensify Earth’s Electric Field

First Annual NSF Report

Alloy Titanium and Zirconium for Wide Use

Weather Pattern Repeats

Electronic “Brain” Joins U.