Feature

5,000 Employed in Research Laboratories

First Artificial Moonlet

Grow Polio Virus in Cold to Test Virulence

Wastes Prove Problem in Future Space Travel

Front Matter

Human Blood Molecules Give Rats Artery Disease

Hypnotize Dental Patients

Books of the Week

Negative Ions Cut Sneeze

Search on for Poison of Dangerous Fish

True Pygmies Found

Animal Disease Germs Hitch-Hike by Air