Feature

Front Matter

Air Position Indicator

“Stink Bomb” for Sharks

Penicillin Pills May Replace Injection Method

[Photograph]: Medieval Physician

Fermented Grass Leaves Produce New Beverage

Activated Clay Filter for De-Leading Gasoline

Five Signs of Death

Wax Heels and Toes for Longer Stocking Wear

Returning Soldier Problem

In Science Fields

Stored Corn in Midwest in Danger of Spoilage