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Research in Radioactivity Spurred by New Principle

In Science Fields

No Martian Men

Stone Age Skeletons Add Chapter to Troy’s History

Nature Ramblings: Mistletoe

Roman Senator’s House Found under Papal Church

First Glances at New Books

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Front Matter

Home Life of “Folsom Man” Discovered in Colorado

Rheumatic Heart Disease Linked with Vitamin C

Elements in Earth’s Crust Caused by Cosmic Rays