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Radio Communications in Mines Found Successful

15 Turbo-Prop Engines Being Developed by British

SNL Ranks Third in German Reprints of U. S. Articles

Community Bone Bank

Hope for Heart Patients

Increase in Death Rate Is Predicted for 1975

Nature Ramblings: Fly Rhymes of the Times

Thunderjet Fighter Now Equipped with Rockets

Way to Lessen Ear Damage from Streptomycin Found

Erratum: Sex Influences Malaria

Erratum: New Rat Poison Potent