Feature

Size of Families a Factor Affecting TB Decline

Chemists to Honor Charles Goodyear

First Glances at New Books

New Anti-Pneumonia Drug Can Damage White Blood Cells

Labor Laws Make School’s Job Bigger

“Melanoid” Skin Pigment Discovered by New Instrument

First Glances at New Books

Front Matter

Heredity-Bearing Genes and Death-Dealing Viruses Alike

[Photograph]: Smallest Metal Tube

England Making Ready for Blood Transfusions in War

Air Defense Experts Are Worried about “Blast”