Feature

Short Wave Broadcasts to Be Heard Soon

New Cancer Weapon

Predict Pollen Counts

West-East Wind Theory

Operations Research

Piston-Turbine Engine Utilizes Exhaust Gases

Winter of 1949-50 Worked in Reverse

Warmer than Normal June over Most of Country

[Photograph]: Theater of the Atom

Balance Weighs by Light

Germanium for Infrared Lenses Made in Purer Form

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