Feature

First Glances at New Books

[Photograph]: Radial Icicles

Nature Ramblings: Tree Thermostats

Letter to the Editor: Pronunciation as a Trap

Aluminum Dust Inhalations Preventive of Silicosis

M.I.T. Metcalf Blind Landing Passes First Flight Tests

World in a Water Drop Shown at New York Fair

In Science Fields

Front Matter

Larger Atoms Eons Ago Allow Non-Expanding Space

Medical Officer Announces Plans for Psychiatry in War

Medical Prescriptions Can Soon Go International