Feature

Hope to Predict Radio Conditions in Advance

Beriberi, Masked as Heart Disorder, Occurs in U. S.

Nature Ramblings: Tellurium

Fail to Recognize Voices after 5-Month Period

First Glances at New Books

Front Matter

Chemical Promises to Reduce Pneumonia Deaths to Half

Two-Pound Battery Will Deliver a Thousand Volts

Muskrat Skins Now Support Million-Dollar Business

Lead Poisoning Rates Worst as a Hazard to Workers

Mechanism ‘Feels’ Answers to Examination Questions

In Science Fields