Feature

  1. All-Glass Paper Is Effective Air Filter

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  2. Peppers and Oils Blamed for Tourists’ Sickness

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  3. New Machines and Gadgets

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  4. Oak Wilt Hits 7 New States

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  5. In Science Fields

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  6. [Photograph]: Passaic River Bridge

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  7. Yellowstone Geyser Erupts after 60 Years

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  8. Books of the Week

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  9. Wild Figs Are Sought on Mexican Expedition

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  10. Air Defense Plans

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  11. Sulfur Shortage Continues

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  12. Nature Ramblings: Don’t Shoot

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