Feature

  1. Clues to an Ancient Upside-down Ocean

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  2. Lethal Look-Alike Unmasked, Examined

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  3. Frothy Physics

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  4. DNA Takes the Stand

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  5. Chemistry

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  6. Geology

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  7. Back Matter

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  8. Front Matter

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  9. Thinking Animals: A New Paradigm

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  10. Rifkin: Who, What, Why

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  11. Dairy Sugar Linked to Ovarian Cancer

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  12. Solar Prominence Heads Back to the Sun

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