Feature

Electric Eye May Show That Ours Is Just Ordinary Galaxy

Trees Protected by Lightning Rods

Terrific Packing Job Pictured in Making of Spiral Nebulae

Inch-Long Radio Waves Interest Marconi

Radium Poisoning Treatment Promising

In Science Fields

Weather Bureau’s “New Deal” to Change Forecasting Basis

Arctic on Short Rations of Ultraviolet Radiations

Nature Ramblings: Grapefruit

Blush of Green Solution Betrays Poisonous Lead

Front Matter

“Chamber of Horrors” Built by Food and Drug Bill Advocates