Feature

Sensitive Electric Eye Counts Light Quanta

Watching for Earthquakes Latest Task of Electric Eye

Vitamin A Found Kin to Artificial Violet Perfume

Beauty Compact of 500 B. C. Found in Mesopotamian Tomb

New Method Measures Size of Germs Totally Invisible

American King Snake Conquers Amazon Rattler

Echoes from Danger Points Guide Boat through Fog

First Glances at New Books

Treatment of Brain Malady with Malaria Is Successful

Breaking the World’s Radium Monopoly

Tests Show Steel Columns Strengthened by Brick Wall

Persistent Highs in Southeast Account for Freakish Winter