Feature

Tuberculosis Methods May Be Useful with Arthritis

Scientific Methods Essential to Solution of Problems

Doctors Warned of Danger in Use of Diagnosis Aid

New Type X-Ray Camera for Analysis of Movement

Earth Gains Pound an Hour on Diet of Shooting Stars

[Photograph]: Study Oil Films

In Science Fields

King Cotton Won’t Abdicate

Bad Weight Distribution Blamed for Foot Troubles

Power-Alcohol Plant Now in Commercial Production

First Glances at New Books

Front Matter