FDA Revamps Rules for Cattle Part Use
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Digging for Dinosaurs in Antarctica
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Critics Call for Stricter Livestock Feed Rules
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Agencies Debate Mad Cow Testing
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Mad Cow Fears Lead to Tighter Cattle Rules
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U.S. Investigates Suspected Mad Cow Case
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The Lake Wales Ridge, 'Florida's Attic'
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Analysts: Iraq Has Plenty of Evidence to Try Saddam
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Remembering Eisenhower's 'Atoms for Peace' Speech
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The Physics of Fish
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GOP Lawmakers Agree on Sweeping Energy Bill
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Summer Blackout: What Went Wrong?
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Researchers Structure Virus DNA in Record Time
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