Feature

Depression Spurs Evolution

First Glances at New Books

Values of Family Life in Soviet Challenged

New Electric Roof of World Found by American Physicists

24-Foot Weeping Idol Unearthed in Andes

Dinosaur Is Restored Internally and Externally

Stomach Ulcers May Result from Lack of Vitamin A

400,000-Year-Old Tools Found in Sand Beds

Heavy-Weight Hydrogen Great Scoop for America

Front Matter

Scientists Isolate Bacteria That Cause Stone Decay

New York to Have Third Planetarium