Feature

[Photograph]: War against Science

First Glances at New Books

Infantile Paralysis Proved to Be Year-Round Disease

New Machines and Gadgets

Vitamin Treatment Offers Little Hope for Gray Hair

Nature Ramblings: Infirm Foundation

Cotton Picking Machines Require Special Breeds

In Science Fields

Vegetables for Victory

Undernourishment Increases Resistance to Viruses

Americans “Misled” by Early Rejection Figures

C A A Is Searching for Crash-Proof Gasoline Tank