Feature

Pneumonic Plague Threatens U. S., Especially West Coast

Center of Earthquake Was near to Northern Japan

Library in Sand Is Aid to Research on Concrete

First Glances at New Books

Central Alaska Shaken by Moderate Earthquake

Heavy Neon Is Concentrated to Purity of 99 per Cent

Age of Universe Is at Least 10,000,000,000,000 Years

Human Fireflies Flit through Malayan Woods

Unlimited Alchemy Foreseen in Understanding of Isotopes

Front Matter

In Science Fields

Advises Exercise in Water for Arthritis Sufferers