Feature

  1. Marble Cake Structure

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  2. Planetarium Built in USA to Be Installed in Uruguay

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  3. Ocean-Sounding Device Accurate in Deepest Water

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  4. New Machines and Gadgets

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  5. Front Matter

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  6. Antidote to Beryllium

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  7. Site of Cancer Spotted

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  8. Virus Epidemic in Barley

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  9. Disease-Spreading Snails in Japan Successfully Fought

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  10. As Rat and Mouse Fighters, Cats Declared Failure

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  11. Need All-Pervading Ether

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  12. Medicine to Double in Next Ten Years

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