New Debate over How to Contact Alien Life

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Fla. High Court Weighs Terri Schiavo Case

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Biologists Hope Electricity Can Foil Invading Fish

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Early Action Key in War Against Invasive Species

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Prioritizing the Globe's Most Endangered Primates

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The Search for John the Baptist's Ritual Cave

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South African Penguin Population Decimated

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Recreational Fishing Takes Heavy Toll on U.S. Fish

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Scientists Pick 'Blade Runner' as Best Sci-Fi Flick

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Vengeance Has a Gene, Scientists Say

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New Planet Detected by Small Telescope

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Genetically Altered 'Marathon Mice' Created in Lab

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