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In Science Fields

Enzyme in Liver Makes Vitamin A from Carotene

Late Division of Embryo Causes Differences in Twins

Outwitting Climate

Engineers Would Build Homes out of Steel

Foretasting Meteors

Farm Student Appears More Radical than City Cousin

Plant Patents Necessitate Use of Color Printing

Millions Wasted Yearly for School Ventilation

Radio Reception Improves as Sun Spots Decrease

First Glances at New Books

Nagata Rewarded for Discovery of Comet