Feature

New Particles Discovered

Electric Eye Gives Safer Hypo Injections

Front Matter

Streptomycin Method More Effective against TB

Chemicals Vital to Farm

Some Dust Bowl Relief; East Colder than Normal

Muscle Weakness Disease Treated by Gas Chemical

Nature Ramblings: Iris

UN Atmosphere Analysis

[Photograph]: Geiger Counter Cancer Detection

Auto Diesel Engine to Power Indianapolis Racer

Giant Brains Now Detect Own Mistakes