Feature

  1. Light and Reproduction

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  2. Four-Color Conjecture Verified

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  3. Natural Sciences

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  4. Mars Album 1

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  5. A Week on Mars

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  6. Genetic Manipulation

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  7. Milwaukee Project Follow-up

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  8. Stever Appointed to White House Post

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  9. Books

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  10. Front Matter

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  11. Homo Erectus: Standup Comedian

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  12. Physics and Reality

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