Data Show Orcas Defy Sleeping
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Imprisoning Bacteria to Isolate Changes
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Doctors Question Ethics of Baby Gender Test
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Roundtable: Raising the Dead, 'Time' Reporters, Iraq Prison
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Report Highlights Cancer Risks of Low Radiation
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Stem-Cell Conference Draws Big Crowd
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Predicting Earthquakes
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Chickadee Calls Carry Specifics on Danger
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Author Examines the Lives of Pioneering Geneticists
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FDA Weighs in on Artificial Hearts
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Recognizing Faces Tied to Single Neurons
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Scientists See Defects in Lab-Grown Stem Cells
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