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  1. Making Blood Share More of Its Oxygen

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  2. Antarctic Ozone Hole Sinks to a Record Low

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  3. Blood Cells Traced to a Common Ancestor

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  4. Dial-a-Digit

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  5. Making of Alphabet Traced to Sinai

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  6. Dogs and Convicts Aid Pellagra Sufferers

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  7. Your House May Be a Moron!

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  8. The AAAS Faces Life in the City by the Bay

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  9. Parts of the Cell: How Did They Evolve?

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  10. Data and Dispute Mark AIDS Meeting

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  11. Firm Evidence of Milky Way Black Hole

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  12. Gamma-Ray Bursts Become a Repeating Puzzle

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