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Necessity May Make U. S. Grow Longer Cotton

Bending of Radio Waves Causes “Freak” Transmission

Body May Put up with Defective Diet

Bee and Silkworm Diseases May Be Fought with Oxygen

Supersensitive Individuals Get Asthma from Light

Babies Display Temperament in Personality Test

New Insecticide Made with Air

Apes and Man Untangled by Government Scientist

Government Geologist Seeks Oil in Alaska

Much Timber Land Now Lying Idle

New Rays Fill Unknown Gap