Feature

Chemical Method Saves Shellfish from Killers

Rain Triggers Duck Breeding

Front Matter

Jupiter’s Belts Hazardous

Fluid-Filled Sac for Space

New Palate Operation Prevents Fuzzy Speech

Live Oral Polio Vaccine Proved Safe and Effective

Viruses Grow Better in Heavy Water Medium

Dental Health Decays

[Photograph]: Mechanical Hand

Scientia International

Science Fair Winners