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The Case Against Margery

By Walter Franklin Prince

Notes on Research in Telepathy

Travel Today at Bargain Rates

By A. A. Hopkins

Our Third-Rate Navy Could not Fight Japan

By F. D. McHugh

Radio Waves Kill Insect Pests

High-Power, Short-Wave Radiations Effectively Destroy Insect Pests but Do Not Damage the Infested Material

By J. H. Davis

Soaring on the Wings of the Wind

By Arthur L. Lawrence

Escape from a Sunken British Submarine

Measuring the Counterglow

By Henry Norris Russell

Sweet Beets

Economic Aspects of the Sugar Beet Industry; How the Sugar is Extracted

By A. P. Peck

Sexual Abstinence as a Biological Question

Is Sexual Intercourse a Physiological Necessity?

By H. M. Parshley

The Amateur Astronomer, May 1933

By Albert G. Ingalls


  • Departments

    Across the Editor's Desk, May 1933

  • Back of Frontispiece, May 1933

  • Beet Sugar Awaiting a Favorable Market

  • Our Point of View, May 1933

  • Squaring the Circle Forever Impossible, Rubber Prisms Improve Tires and more

  • Current Bulletin Briefs, May 1933

  • Commissioner Asks For Reduced Patent Fees, "Pinetex" versus "Pinex" and more

  • Books Selected by the Editors, May 1933

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