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The Genome's Black Box The mysterious centromere holds a key to cancer and birth defectsand may reveal a new code in DNA.
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When Breast Cancer Spreads Investigating how cancer reaches from breast to bone, researchers find insights on the mysteries of metastasis.
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Courage and Convictions When Roderick MacKinnon abruptly switched research methods in midcareer, colleagues feared for his sanity. Vindication came in the form of a Nobel Prize.
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