Feature

Sound Absorbent Plaster Invented

Painted Pottery Thought to Be 10,000 Years Old

Tells How Amateurs May Aid Astronomers

New Cause of Breast Cancer Indicated

Sun Burn Rays of Sun Growing Stronger

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Doctors’ Charges Change with Medical Progress

Earth Built of Wedges New Geological Theory

Greater Tornado Damage Seen as Population Increases

Intelligent Students Show Most Speed

Hastens Growth of Cuttings by Using Oxidation Agents