Feature

Abscessed Teeth Treated with Hot Sulfanilamide

Front Matter

Four to Six Children Urged at Birth Control Meeting

Tear Gas Effective as Killer of Insect Pests

Colchicine Used on Rabbits to Double Chromosomes

Indianapolis Landing System Selected as the “Standard”

Oil Discoveries in Nebraska Based on Success in Michigan

Friendliness May Act to Spread Influenza

Cobra Venom and Curare Used for Arthritis

[Photograph]: Hair-Raising

[Photograph]: A Magnet

Sex Gland Disturbances May Cause Some Cancers