Feature

Tells How Amateurs May Aid Astronomers

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Urges Cooperation in Science as in Industry

Show Farmers How to Cure Sweet Corn Quickly

Doctors’ Charges Change with Medical Progress

Earth Built of Wedges New Geological Theory

Greater Tornado Damage Seen as Population Increases

Intelligent Students Show Most Speed

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Human Mind Resists New Ideas

Hybridization of Man and Ape to Be Attempted in Africa