Feature

Serum-Virus Mixture Protects from Paralysis

Caterpillars Hear Sounds Audible to Man

Studies Show Alaskan Forest Is Marching into Arctic

Rabbit and Rat Embryos Are Grown in Laboratory

Mosses’ Lowly Cousins Give Shelter to Fungus

Skeleton Guards Relieved of Duty at Monte Alban

In Science Fields

Time Studies Suggest Distance to Europe Varies with Moon

First Glances at New Books

Growth of Plants Stimulated by Proper X-Ray Treatment

Dr. Eyring Explains Winning Accomplishment

Atom Building Keeps Stars Shining, Says A.A.A.S. Head