Data Show Orcas Defy Sleeping
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Imprisoning Bacteria to Isolate Changes
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U.S. Moves to Shore Up V.A. Funding
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Doctors Question Ethics of Baby Gender Test
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Ira Flatow on Science: Crashing into a Comet
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Report Highlights Cancer Risks of Low Radiation
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A Final Good-Bye: Med Students Honor Body Donors
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NASA -- and Shuttle's -- Timetable Is Uncertain
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Healing a Deep Wound from Iraq
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Cattle Owners Hope High Prices Offset Effects of Mad Cow
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Documentary Captures 'March of the Penguins'
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Stem-Cell Conference Draws Big Crowd
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Mad Cow Case Prompts Doubts on U.S. Testing
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