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Hello, Saturn: How's Peggy doing today?
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Sex reversal: Neotrogla females have spiny penis, can copulate for nearly 3 days
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SpaceX cargo mission sets sights for Friday launch but weather gods may play spoilsport
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Kepler-186f exoplanet may hold liquid water and signs of alien lifeforms
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Last supper: This viper's last meal gave it more than a bellyache
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Alternative ID methods urgently needed for threatened species: ASU researchers
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Fossils suggest modern sharks are better predators than ancestors
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Neotrogla females have penis, can have sex for up to 70 hours: Discovery of Brazilian insect stuns scientists
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Meteorites hint that we can't call Mars our second home: Here's why
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Fit for a king: Chimpanzees choose the best woods to create firm beds
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Titanic remembered on 102nd anniversary, echoes some of the deadliest maritime disasters in the last century
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Floating nuclear plants may withstand dangerous tsunamis
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