Feature

Treatment of Seed Pieces May Help Potato Shortage

Species of Hops Crossed to Produce Better Beer

New Machines and Gadgets

Weight-Lifting Injuries Avoided by Wise Handling

Old Glory Is Hoisted over Naval Research Laboratory

First Glances at New Books

Front Matter

Fewer Die of Wounds

[Photograph]: Crash Truck

Zoot-Suit Epidemic

Carrier for Torpedo Boats Would Stow Them in Hold

Sea Water Made Drinkable; Two Chemicals Remove Salt