Feature

Successful Gland Transplant Made in Addison’s Disease

Longest-Lived of All Insects; Not That of Bible Plague

Moon Tides in Upper Air Affect Radio Reception

In Science Fields

Physicians Believe Cause of Schizophrenia Is Found

Good Home Conditions Demand of Eugenics Plan

Effect of Sigmund Freud’s Studies on Medicine Surveyed

First Glances at New Books

Back Matter

Front Matter

New Weapon against Cancer Possible in Neutron Ray

[Photograph]: Geology in Cardboard