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Climate change will bring 70 percent increase in summer ozone pollution in U.S. by 2050: Report
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Galapagos finches winning fight against deadly parasite (with a little help from humans)
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NASA may send greenhouse, plants to Mars by 2021. Organic tomatoes out, galactic tomatoes in.
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Size matters: Small body size of dinosaurs and birds key to survival, says study
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Obama unveils the latest government report on climate change. Urgent action required
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Cape Cod shark brochures divide community. Will the information drive do good or harm?
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Cosmos Episode 9 'The Lost Worlds of Planet Earth': Amanda Seyfried walks us through Earth's early past
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Now we have computers that can solve word problems. Need help with math or physics homework?
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Australia issues alert: El Niño will come strong and early this year
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Let's stop being fence sitters and make bold decisions on climate change, urges UN chief
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U-2 spy plane did not cause mysterious computer glitch that disrupted LAX air traffic: U.S. Air Force
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Killer bus-sized asteroid flies dangerously close past Earth
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