Feature

Science Clubs of America

Haystack Chemical Remedy May Have Wide Usefulness

Two New Insect-Fighting Chemicals Are Announced

Nature Ramblings: New Insecticide

Baseball Really Does Curve According to Measurements

First Glances at New Books

Front Matter

Nearsightedness Could Be Wiped out by Eugenics

[Photograph]: Deadly

Japanese “Book of Genesis” Basis of Claim to Supremacy

For Speed in Learning Code, Cut out the Dots and Dashes

Talcum-Powder Operation Aids Heart Disease Victims