Feature

First Glances at New Books

Sunspots Hold Secret of Understanding Stars

Industrial Survey Necessary Prelude to Technologic Rule

Astronomers Push Study of Atmosphere on Planets

Three Rare Earth Elements Proved to Be Radioactive

Outwitting Vampires and Vipers

Explains Why Raw Weather Is Painful to “Rheumatics”

Front Matter

Girl Explorer Adds Ancient City to Map

De Soto’s Famous Route to Mississippi Traced

China’s Civilization Said to Be Only 4,000 Years Old

The Monotype: “A Classic Invention”