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