Feature

Depression Spurs Evolution

24-Foot Weeping Idol Unearthed in Andes

Front Matter

Values of Family Life in Soviet Challenged

First Glances at New Books

Heavy-Weight Hydrogen Great Scoop for America

Punishment Isolates Children from Parent Who Disciplines

Protons Seen as Source of New Atomic Particles

200,000,000-Year-Old Track Tells Tale of Insect Tragedy

Dinosaur Is Restored Internally and Externally

Stomach Ulcers May Result from Lack of Vitamin A

American Negroes Came from Small Part of Vast Africa