Feature

  1. Why Popularize Science?

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  2. Was First Man an American?

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  3. Geniuses Husky

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  4. Anniversaries of Science

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  5. Rats Good Swimmers

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  6. Blood Speed Same

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  7. Stellar Spectroscopist

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  8. Spring Is Bird Travel Time

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  9. Babies Face Hazards

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  10. Front Matter

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  11. Mysterious Celestial Object

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  12. Quota Law Speeds Invention

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