Feature

Lack of Vitamin Balance Seen as Cause of Pellagra

First Glances at New Books

Water in Plants Ascends as Vapor, New Theory Holds

Men Are Walking Drugshops, Dr. Abel Declares in Address

Health Experts Differ on Effects of Depression

[Photograph]: 500,000 Watts

Nature Ramblings: Early Americans

Electric Piano Has Keyboard but Lacks Strings

Proving That Baby Can See

Weight-Reducing Drug Tested on Mental Cases

In Science Fields

[Photograph]: Searchlights on Parade