Feature

Few Recreation Interests Are of Life-Long Value

First Glances at New Books

Front Matter

Single-Seat Pursuit Plane Gives Way to Bigger Fighters

Goldfish Survive Brief Immersion in Liquid Air

Synthetic Antigens Promise Revolution in Immunology

Filter-Passing Pathogen Found in Brains of Mice

Scientist Has Plan to Salvage “Lost” Research

Siamese Twin Turtles Rare, but Interesting

Synthetic Fertility Vitamin to Be Given Clinical Tests

New-Found Alaska Ice Field Covers Immense Territory

Find One-God Pharaoh in Strange Company