Feature

Dye Glows under Rays to Detect Cancer Tissue

Disease Virus “Tagged”

Colored Pictures by Radio

New Chemical under Trial as Remedy for Filariasis

Army Observation Plane Completing Flight Tests

Electric Photocell Detects Carbon Monoxide in Plane

Train Telephone Service

In Science Fields

Cloth out of Test Tubes

Dental Drilling Painless with Topocaine Anesthetic

Scout and Rescue Plane Passes Rough Water Tests

Front Matter