Feature

Unified Science Must Serve Unified World after War

Swift Stellar Object Still Unsolved Mystery

Army Backs Total Blackouts Doubts Value of Dim-Outs

In Science Fields

Geophysics Goes to War

Poison Gases May Be Used by Retreating Armies

Nature Ramblings: A Week for Wildlife

Science Clubs of America

Mass Immunization Urged Where Children Face Bombing

New Machines and Gadgets

New Blackout Bulb Developed by Army

First Glances at New Books