Feature

Locate Cells That Produce Anti-Blood-Clotting Heparin

First Glances at New Books

July Starts off with Two Oceanic Earthquakes

Better Control of Leprosy, TB May Come from Germ Studies

Gnats Survive Tomb of Snow in Mountains

New Heavy Atomic Particle Was Predicted by Japanese

Great Advance Noted in Struggle against Cancer

Deafness Is Handicap in Learning to Write

Improved Scarlet Fever Vaccine Protects Children

Front Matter

Eggs of Opossum Photographed to Show Earliest Life Stages

Apes Taught to Use Gestures to Enlist Aid in Joint Task