Feature

Boats Could Double Speed Skimming Surface of Water

New Apparatus Measures Kennelly-Heaviside Signals

Erratum: In Science Fields: River Improved to Bring Radium to Civilization

Erratum: In Science Fields: Sprouting of Drunken Seeds First Speeded, Then Delayed

Stars and Planets Brighten Sky

Tiny Organisms in Sea Soak up Much Sunlight

Tests Show Effect of Crowds on Grandstand Framework

Voices Beautified for Radio by Ingenious Mechanisms

The American Eagle: “A Classic of Science”

Russia’s Second Five Year Plan Calls for Far East Colonization

Race May Be Cause of Negro’s Lower Tuberculosis Resistance

Artificial Lightning Flashed at Ten Million Volts