Feature

  1. Eclipse, Saturn and Mercury in May

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  2. The Chemistry of Life

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  3. Cosmic Rays May Cause Evolution

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  4. Laboratory Yacht Sails on Science Quest

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  5. The Depths of Space

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  6. Front Matter

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  7. Nature Ramblings: Fleur-de-Lis

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  8. Volcanoes Put Salt in the Sea

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  9. Man and the Universe

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  10. Earthquakes Report Themselves

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  11. First Glances at New Books

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  12. Franklin’s Scientific Society Still Active

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