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Razor Blade That Lasts Six Months Shown

Man Just an Accident Says Sir Arthur Eddington

Scientists May Be Searching Vainly for Negative Proton

Long Radio Blurbs Hard to Remember

Leningrad Institute Celebrates 50th Anniversary

New Government Charts Indicate Diet Requirements

Russians Explore Caucasus Hills

Red Man and Irishman Have Problems in Common

Western Dust Reaches Ocean for Second Time

Radiophone Used to Send Medical Advice to Ship

In Science Fields

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