Feature

Front Matter

Coal-Dust Explosions to Drive Water Pump

VD Menace Alarming

[Photograph]: The Flight of the Farmer

Salmonella: Scope Hidden

SSTs May Create Source of Own Destruction

Medical Implants Exceed Aircraft Stress

Back Matter

Italians Announce New Antibiotic Useful in TB

Mustard Affects Heart

Heart Disease a Part of General Disease

[Photograph]: Silicon-Rubber Implant