Feature

  1. Why Some People Drink

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  2. Non-Astronomers Honored by Astronomical Society

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  3. New Machines and Gadgets

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  4. Front Matter

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  5. Cold Germs from Clothes

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  6. Math May Decide Strategy

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  7. Ram-Jet Helicopter under Construction

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  8. Test Detects Cold Virus

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  9. 14 Comets Found in 1948

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  10. Sun’s “Hisses” Powerful

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  11. Camera Study of Meteors

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  12. Antenna 50 Feet across to Pick up Solar Noise

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