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Jonas Salk: Google celebrates the brilliance behind the polio vaccine
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Even with population control, our future would still be unsustainable
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Melting Arctic sea ice doubles harsh winter risk in Eurasia
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Flowing lava from Hawaii volcano prompts evacuation of residents
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Ebola is not a new virus. It's 16 to 23 million years old
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African lions may escape extinction by being listed under the Endangered Species Act
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Expanding thermonuclear fireball from nova explosion observed in unprecedented detail for first time ever
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Researchers discover how nature can make powerful antibiotic
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NASA: Viral news on days of darkness in December is hoax
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Massive volcanic eruption might wipe out Japan in 100 years: Study
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Space travel damages sperm cells. Houston, we have a problem
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Amateur finds 500,000-year-old fossil of giant ground sloth in Argentina
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