Feature

Indians Were Peaceable People Made Warlike by Whites

First Glances at New Books

Front Matter

Man’s Rays Stronger than from Radium Win $1,000 Prize

“Artificial Cells” Point Way to Greater Knowledge

Substitute for Sulfur Vulcanizes Rubber

High-Yielding Corn Bred from Runts

Effect of Glandular Secretions on Sex Discussed by Scientists

Photograph of Human Voice Produced in One Minute

What Science May Make of the World in 2,500 A. D.

Theories of Universe Shaken by Discoveries at Harvard

Anthropologist Is Elected New A. A. A. S. President