Feature

One-Celled Green Plants Absorb $text{CO}_{2}$ in the Dark

Alcohol Not Chief Cause of Delirium Tremens

Research Facilities to Speed National Defense

In Science Fields

Speeding Torpedo Production

Super-Tanks, If Used in U. S., Must Cross Railroad Bridges

Frequency Modulation May Cause Fast Changes in Radio

Malaria Mosquito Invasion from South America Feared

Nature Ramblings: Snow Surveys

High-Octane Gasoline Is No Cure-All for Motor Ills

First Glances at New Books

Front Matter