Feature

Tail of Cunningham’s Comet May Engulf Earth in January

Dangers in World Situation Stimulate Effort in Science

In Science Fields

First Glances at New Books

Shortage of Engineers for Aircraft Foreseen

Supernovae, Rarest Phenomena, Found to Be of Two Types

Front Matter

Relation Is Traced between Meteors and Encke’s Comet

Appoint Steering Committee for National Nutrition Program

Sponge-Killing Epidemic Ends in Florida-Bahamas

Public Health Officials Battling Flu Epidemic

Air Reconnaissance of Peace