Feature

160167

Gold Changed to Mercury by German Physicist

Diseased Teeth Thought Cause of Neuritis

Hydrocyanic Acid Made as Powder

Heredity and Glands Influence Cancer

American Seeks Sources of Old Persian Tales

77529

Excavation of Prehistoric American City to Be Concluded

81044

Slow Gas Leaks Found Menace to Children

Whooping Cough Helped by Simple Remedy

More Speed for Typists Is French Aim