Feature

Books of the Week

Nature Ramblings: Intermezzo

Private Satellites Coming

New Machines and Gadgets

Thin Metal Plate to Save Astronaut

[Photograph]: Electric “Eel”

Marked Whales Yield Data on Age at Maturity

Plastic Tube Restores Hearing in Some

Satellite Could Check Einstein’s Red Shift

Lightning Strikes Often

Can Halt “Black Cancer”

Radioactive Debris from Bomb Tests Spreads Fast