Feature

  1. They Say

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  2. Evolutionary Religion

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  3. Patients Give Blood

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  4. Nova and Two Comets

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  5. When Nerves Go Wrong

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  6. Back Matter

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  7. Arbiter Nominationis

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  8. Great Glass Disc Cooling

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  9. Aztec Tombs Discovered

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  10. Front Matter

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  11. 1927 Summer Cool in East

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  12. Gorilla’s Brain Good, but–

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