Feature

  1. Back Matter

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  2. Front Matter

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  3. Science News Books

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  4. Youth and Alcoholism

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  5. Relative Density

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  6. Nailing down Pheromones in Humans

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  7. Human Ancestor May Have Taken to Sea

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  8. Math Enthusiast Wins Science Talent Search

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  9. Stimulating Clue Hints How Lithium Works

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  10. Craft Finds Evidence of Ice on the Moon

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  11. Cosmic Rays Sow the Seeds of Cloud Growth

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  12. Timeless Machine Detects Electric Charge

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