Feature

  1. Weevil Waves Start Small

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  2. Tree Efficiencies Measured

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  3. Transocean Radiophone

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  4. Sun Laziest Now

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  5. Opal Weighs over Pound

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  6. Age of Man in America

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  7. First Glances at New Books

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  8. Our Dependence on Light

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  9. Anniversaries of Science

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  10. Evolution of Whales

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  11. Electricity Fathers Worms

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  12. Center of North America

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