Feature

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New Evidence That Chemists Can Transmute Elements

Intelligence Is Minor Factor in Money Making

Diabetes Insipidus Cause Believed Found

To Encircle Cities with National Forests

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Supercharger to Change Auto Engine Design

Ten Years Knocking the Knock from American “Gas”

Leaded Gasoline Renamed to Insure Safety

Warns Printers Against Lead

Actual Rubber Shortage Seen for 1930