Feature

Indian Writing Moved from Bottom of Future Lake

Ultra-Violet Light and High Frequency Current Harden Steel

Six Generations of Poliomyelitis Virus Grown outside Body

Textiles May Come from Equadorian “Silk Flower”

Disappearance of Diphtheria in Few Years Predicted

Tropical Hurricanes Once Ancient Maya Disasters

First Glances at New Books

Tiny Cellulose Balls May Be Smallest Plant Units

Front Matter

Nature Ramblings: An American Leopard

Air Gun Used to Dust Delicate Artifacts

New Oil for Paints Promised by Safflower