Feature

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

Dead Men’s Heads Carved on Ancient Temple in Peru

Ancient Rocks Identified by Two Trilobite Genera

Pueblo War Songs Link Indians with Far East

Iron Masses under Meteor Crater Shown Magnetically