Feature

Remote Control Steers Vessel from Many Positions on Ship

Less Gasoline Needed for High Compression Engines

Cortisone in Eye Drops

Seaweed Chemicals Goal of British Research

New Machines and Gadgets

High Heat Damages Tanks

Nature Ramblings: Tulip Tree

Close to Five Million Wives Older than Their Husbands

More Mineral Prospecting

Mass Screening Unsound

Books of the Week

Electrified Dusts to Give Better Plant Disease Control