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Earth Built of Wedges New Geological Theory

Greater Tornado Damage Seen as Population Increases

New World Made for Plants at Boyce Thompson Institute

Human Mind Resists New Ideas

How Mental Ability Varies with Age and Race

Hastens Growth of Cuttings by Using Oxidation Agents

Show Farmers How to Cure Sweet Corn Quickly

Doctors’ Charges Change with Medical Progress

Hybridization of Man and Ape to Be Attempted in Africa

Intelligent Students Show Most Speed

Diseases Blamed for Hair-Trigger Tempers