Feature

Arabs, Indians Related, Blood Type Shows

Drift toward North Pole Is Proposed Expedition

Fireproofing of Fabrics Can Be Done in Home

Vitamin K, Fish Meal Product, Aids in Treatment of Jaundice

Translations and Microfilm Unlock Science from Abroad

Mineral Veins in Rockies Younger than Mountains

Nature Ramblings: Life Begins at 40 Degrees

Front Matter

Remedy for Influenza Hinted in New Report

Low-Cost Farm Unit Built Wholly of Steel

New Saliva Test Indicates Likelihood of Tooth Decay

Two National Soaring Meets Planned for Present Year