Feature

  1. American Scientists Take Part in Physiological Congress

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  2. Front Matter

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  3. South American Quake Almost on Equator

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  4. Japanese Beetle Pest Spreading in Cities

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  5. Engineering Methods Aid in Study of Workers

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  6. Reading Improves Spelling, Even for Words Not Read

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  7. Echo-Sounding Device Locates Schools of Fish

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  8. Severe Vitamin Lack Causes Nerve Breakdown

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  9. Nature Ramblings: Overworking Our Mother

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  10. Miniature Ocean Tests Concrete Resistance

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  11. Lake Turns to Desert When Unwisely Drained

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  12. In Science Fields

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