Feature

Front Matter

Penicillin Stops Epidemics in Aquaria

Fifth of U. S. Crust Was Blown to Where It Is

Rocket Fuel Handlers Protected by Clothing

Oak Ridge Scientists Read by Facsimile

Million New Galaxies

Picking by Machine Cheaper than Hand Labor

New Machines and Gadgets

Alcoholic Is Made by What He Eats

Scientists Face Dilemma

Stoneflies Live and Grow in Freezing Temperatures

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