Top Stem-Cell Researcher Resigns After Ethical Lapse
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Possible Ethical Lapse Threatens Stem Cell Deals
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Tamoxifen May Reduce Risk of Breast Cancer
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Flu-Like Disease in Brazil Puzzles Experts
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In Brazil, a New Effort to Wipe Out Hookworm
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Scientists Identify Dyslexia Gene
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Scientists Create New Gene Map
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New Stem-Cell Growth Technique Emerges
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New Insights May Ease Stem Cell Process
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Three Share Nobel for Chemical Process
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French, U.S. Scientists Share Chemistry Nobel
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U.S., German Scientists Share Physics Nobel Prize
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Archeologists Locate Source of Mayan Relics
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Weaker Rita Slogs North Through Texas
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