Feature

  1. Front Matter

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  2. Thumb Sucking Dangerous

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  3. Mental Disease in Children

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  4. Building and Flying Model Airplanes: Making the Power Plant

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  5. Nature Coordination

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  6. Vesuvius Rumbles

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  7. Wanted: An American Sign Language!

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  8. Heat from Heart Beat

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  9. Maya Writings Sought

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  10. Hottest Place on Earth

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  11. Nature Ramblings: Two Curious Plants

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  12. Rubber for United States?

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