Feature

Two New Attacks Made on Painful Rheumatic Fever

Clothes Important in Old Incan Empire

Canadian Inventors Find New Resin Material

Scientist Tells How Chemistry Affects Color Vision

U. S. Chemistry Ready but Sees Loss in War

Ancient Russian Skull like American Indian’s

Nature Ramblings: Clocked by the Sun

Peat Yields Kerosene in New Soviet Plant

First Glances at New Books

Front Matter

Find First Line of Defense against Colds Is in Nose

[Photograph]: Lunar Landscape in Miniature