Feature

  1. Physics and the Good Humor Man

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  2. Universal Morality?

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  3. Recombinant DNA Meets the Cambridge City Council

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  4. Enzyme Clue to Earliest Evolution

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  5. Heart Attacks and Testosterone

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  6. Mars Landing: Message from Puerto Rico

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  7. Viking: Profit from Experience

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  8. Living in Space: A View from Salyut 4

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  9. Cosmonauts in Orbit

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  10. Behavior

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  11. Physical Sciences

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  12. Technology

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