Feature

First Glances at New Books

Doctors See Movies of Revived Human Hearts

Back Matter

Respirators Cannot Take Place of Dust Control

Method for Decreasing X-Ray Burns Developed in New York

Measure the Forces between Cores of Hydrogen Atoms

Most First Grade Children Not Ready to Do Reading

Neutrons, Tool of Physics, Deadly Biological Menace

First Glances at New Books

WPA Project Shields Historic Indian Village

[Photograph]: Reveals Age-Old Secrets

Mother Tells Experiences with New Safe Anesthetic