Feature

First Glances at New Books

In Science Fields

[Photograph]: Biggest Steel Pineapple

Ireland’s Snakes Departed Long before St. Patrick Came

[Photograph]: Highway through a Mountain

Congress Provides for Fight on Spread of Spotted Fever

Many Sunspots Reported by Mt. Wilson Astronomers

First Glances at New Books

Non-Living Matter May Learn and Remember

Front Matter

Hollow Ice Crystals Formed in Famous Kungur Caves

Improved X-Ray Methods Developed at Mayo Clinic