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Gold Changed to Mercury by German Physicist

Diseased Teeth Thought Cause of Neuritis

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Air Came from Absorbed Gases in Rocks, Says Physicist

Experts Fight Fish Epidemics

Tropical Orioles Cooperatively Polygamous

High School Girls Best Students

Puts Three More Volcanoes on Map of U. S. Possessions

Science Solves Problem of Tardy Workmen

Earth Made of Meteor Material

Earth Said to Have Solid Core

Earthquakes and Meteors Reveal Earth’s Composition