Feature

New Model Heart Pacer Gets Energy from Heart

[Photograph]: Temperature by Ear

In Science Fields

Atomic-Age Sherlock Holmes

Population Growth Seen as Sparking Nuclear War

Wide Range of Chemicals Available for Gas War

Books of the Week

Nature Note

Tiny Parasitic Ant May Curb Dread Fire Ant

Feeding Stimulant Found for Female Houseflies

Current U. S. Patents

Bridge Floors Tested in Refrigerated Rooms