Feature

  1. Mars, Ruddy Planet, Closest to Earth This Month

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  2. Ice Cream from Crude Oil

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  3. Burning Atomic Hydrogen

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  4. Anniversaries of Science

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  5. He Knows the Sun

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  6. Lawbreaking America

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  7. Back Matter

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  8. Copernicus’ Universe

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  9. Volume Information

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  10. Bowing

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  11. X-Ray Reveals Portrait

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  12. Dyestuffs Used to Make Better Rubber

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