Feature

Electrical “Tides” Suggested as Cause of Sunspots

First Glances at New Books

Trumpeter Swans to Be Given Artificial Islands

Cosmic Rays Are Declared Principally Particles

Arteriosclerotic Heart Disease Is on the Increase

Volume Information

Errata: In Science Fields: Vitamin D in Lipsticks Banned by Foundation

World’s Oldest Peace Treaty Carried a Curse

Front Matter

In Science Fields

Nature Ramblings: Drought Defenses

Atom-Smashing Artillery to Be Increased in Power