Feature

Reducing Blood Potassium Prevents Serious Seizures

Seven Spaceships to Mars

Patents of the Week

Detergent Food Soapless but Can Clean Teeth

In Science Fields

New Ideas and Gadgets

Back Matter

Nations Could Own Moon

Unnecessary Amputation Avoided by X-Ray Use

Break Language Barrier

Iron Curtain Neanderthal

[Photograph]: Power for Titan II