Feature

  1. Correction: Earth Science

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  2. Early Humans Make Their Marks as Hunters

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  3. Showy Comet Lives up to Its Billing

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  4. Books

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  5. Cell Death Protein Triggers Diabetes

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  6. Gazing into Crystal Balls

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  7. Superfluid Gyro Detects Earth’s Spin

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  8. Science News Books

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  9. Why Do Women Menstruate?

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  10. Warmth after Surgery Can Save Lives

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  11. Astronomers Find New Member of Local Group

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  12. Viruses May Leave a Weighty Legacy

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