Feature

Discovery of New Energy Form Predicted

Oldest Printing Blocks Brought to America

In Science Fields

Cover Picture Pursued over New England Hills

New-Found Sex Hormone Relieves Migraine Headaches

Front Matter

Nicotine Less Poisonous after Ultraviolet Irradiation

Rocks of the Fortieth Parallel: “A Classic of Science”

Boy Scouts Botanize among Geysers on Volcano Floor

The Earth Is a Soup-Kettle

Boredom Causes Most Lost Time from Work

Clouds Partially Veil Eclipse; Observers Win against Odds