Feature

  1. Ancient Assyrian Scheme Protects Mississippi Banks

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  2. Volume Information

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  3. Erratum: Radioactive Potassium Is New ‘Clock’ to Check Age of Earth

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  4. Russia Has More Ills of Youth, U. S. More Senility

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  5. Erratum: Scientific Expedition from China Helped Found Japan

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  6. Cancer-Causing Chemicals Step Towards Understanding

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  7. Odd Trick of Dripstone Builds Santa Claus Image

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  8. Useful Bacteria in Lakes Encouraged by Solids

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  9. Twelve Kinds of Snow Recognized by Science

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  10. Idea of Particles Discarded as Unnecessary for Physics

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  11. Erratum: Military Activity in China Has Increased Neurosyphilis

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  12. [Photograph]: New Retina for Telescopes

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