Feature

In Science Fields

Now Tape Recorder Will “Count Your Sheep”

Measure Oxygen in Oil That Causes Deterioration

Faint Double Star Is Triple

Front Matter

More Spice than Ever

New Machines and Gadgets

Crystals Cage Inert Gases

Submariners Eat Better

Use Term “Mental Disorder” Instead of “Psychoneurosis”

Nature Ramblings: Indigo Bunting

Fluoridate Your Water, Fluoridize Your Teeth