Feature

New Disease Is Reported; One out of Five May Have It

Super-Voltage X-Ray Doses Can Now Be Standardized

New Type of Speed-Boat Patented by Gar Wood

Scientist Describes Visit to Unknown Island in the Sky

In Science Fields

Cuba Land Snails Travel on Wings of Hurricane “Air Line”

Caring for Child after Infantile Paralysis

Delicate Surgical Operation Enables the Deaf to Hear

Nature Ramblings: -Ptera

Two Earthquakes Recorded near Mexican Coast

Early Primate Fossils Collected in Northwest

First Glances at New Books