Feature

  1. Cecropia

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  2. No Human Progress without Crime

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  3. New Aurora Mystery Solved

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  4. Astronomers Elect

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  5. Describes Longest Eclipse

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  6. Checks Jupiter’s Moons

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  7. Calcium Clouds Spread through Space

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  8. Maker Tells of Large Telescopes

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  9. New Time Method

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  10. Classics of Science: Psychological Measurements of Individual Differences

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  11. Counting Fence Posts

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  12. Relativity Theory Reaches Psychology

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