Feature

Leonid Meteor Shower Should Be Brilliant

Warfare Ends against White Pine Disease

Mayan History Revised by Mexican Archaeologist

New Rayon Fiber to Retain Strength Even When Wet

First Glances at New Books

Front Matter

Nobel Prize Rewards Study of “Atom” of Heredity

New Cyanide Antidote Promises Great Usefulness

New Cycle of Sunspots May Begin in Next Few Months

Biologist Finds Multiplicity of “Castes” Even in America

National Park Animals in Condition for Winter

Mining Sulfur under Water Hailed as Chemical Advance