Feature

Russia’s Second Five Year Plan Calls for Far East Colonization

Race May Be Cause of Negro’s Lower Tuberculosis Resistance

No Danger of Malaria Epidemics in Inoculations to Fight Paresis

Ancestors of Eskimos Found Minnesota Lake Bed Varves

Nature Ramblings: Puffin

Tests Show Effect of Crowds on Grandstand Framework

First Glances at New Books

Cosmic Rays Caused by Solar Activity, Says French Physicist

Birds of Different Families Look Almost like Twins

More Comfortable Summer Clothing for Men Advocated

Nature Ramblings: Shark Scares

First Glances at New Books