Feature

Plans Made to Prevent an Infantile Paralysis Epidemic

The Truth about Death Valley

Oysters Open up When Weather Warms

Evolution Believed Taught by Indians Long before Darwin

Hookworm, Foe of Progress, Still Burdens Many in South

Father Gives Baby Malaria by Blood Transfusion

Dental Decay May Depend on Physical Quality of Diet

Nagata Tells His Own Story

Franklin and the Electric Phial: “A Classic of Science”

Comet Discovery Brings Fame to Melon Patch Worker

First Glances at New Books

Artificial Gallstones Teach More about Painful Illness