Feature

Oldest American Men

Flea Beetle Snubs Leaves with DDT Spray on Them

Books of the Week

Pattern for Insecticide Found in Plant Study

Nuclear Textile Design

How to Stop Freezing of Plumbing Vents

Carbon Monoxide May Be Cause of Many Accidents

National Disaster Research Institute

[Photograph]: Purifying Acth

Front Matter

Baby Lambs Born after Surgical Ova Transfer

U. S. Turkey Crop Biggest