Feature

Our Imported Weeds: “A Classic of Science”

Magnet Pulls Corpuscles out of Circulation for Study

Death-Dealing Quake Was Not a Major Disturbance

First Glances at New Books

Modern Man May Be Old as Oldest of “Low-Brows”

Death from Deficient Diet May Not Be Starvation

[Photograph]: Concentrated

Solar System Hurtling South at 450,000 Miles per Hour

Front Matter

In Science Fields

Big Increase in Leprosy Due Largely to Better Reporting

[Photograph]: Ark of the Covenant in Jewish Art