Feature

Front Matter

First Glances at New Books

Girl Explorer Adds Ancient City to Map

Explains Why Raw Weather Is Painful to “Rheumatics”

Industrial Survey Necessary Prelude to Technologic Rule

Bone Cancer Successfully Treated with Arsenic

Outwitting Vampires and Vipers

Puzzling Fossils May Have Been Soft-Shell Trilobites

Colonial America Revealed as Melting Pot by 1790 Census

Cosmic Rays Warm Bodies in Interstellar Space

Quake Reported Itself Seven Weeks Ahead of News

Lack of Vitamin $text{B}_{2}$, a Cause of Pernicious Anemia