Feature

First Glances at New Books

Front Matter

New Government Groupings Expected to Promote Research

[Photograph]: Bristling Mercury Boiler

Cosmic Rays Are Photons, Dr. Millikan Declares

Diminishing Moon to Eclipse Bright Star Regulus

[Photograph]: Mississippi Floods a Lawn

Heat Wave Aids Small Boat to Sail “Impossible” Arctic Seas

Conservation of Energy Law Declared Unnecessary

Irregular Teeth to Be Subject of Research

[Photograph]: The “Thunder-Beast” of the Ancient West

Hard Times Disease Routed Even during Depression