Feature

Navajo Rugs Flawless; Indians Lose Old Fear

Unborn Guinea-Pigs Now Aid Study of Disease Resistance

Hearts Are Efficient; Stomachs Are Not

“Nervous System” Guides Eye of a Telescope

Biology and Engineering Attack Basic Food Problem

In Science Fields

December Brings Eclipse

Army Medical Library Celebrates Its Centennial

Behavior of Living Cells Linked to Mathematics

Months of Research Have Brought Television Near

Jawbone of Unknown Beast Disputes Darwin’s Theory

First Glances at New Books