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In Science Fields

Geographical Guinea Pig

Electric-Eyed Machine “Inspects” Plants

Safe All-Weather Flights

Path of Tidal Wave May Be Forecast

New Kind of Mold Used in Citric Acid Production

Nature Ramblings: ‘Teen-Age Insects

Riboflavin Needed for High Altitude Living

Young Scientists Were Not Drafted in Russia

Books of the Week

Front Matter

Remedy for Hemophilia