Feature

Chemical Treats Arthritis with Fewer Harmful Effects

Jet Pilot Ejection Now Fully Automatic

Jeep Has Snorkel Tube

Submarine Log System Makes Navigation Easier

Nature Ramblings: Early Dandelions

In Science Fields

11,000-Year-Old Weapons

[Photograph]: First Turbine Helicopter

Front Matter

Gold in Body to Remain after Cancer Is Destroyed

Printed “Wires” for TV

New Machines and Gadgets