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Scientists want to capture Earth sound on Earth Day
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New X-ray method can detect hidden nuclear materials. Sorry terrorists and smugglers.
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Earth Day 2014 focuses on need for 'Green Cities,' fight against climate change
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Scientists spot 'upside-down planet' by accident, discover binary star system 2,600 light years from Earth
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Monkeys are actually good at math: A skill used in the wild, a study finds
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Rachel Sussman photographs world's oldest living organisms
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Graphene and carbon nanotube ultracapacitors boast high performance and low cost
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Antarctica as warm as California 50 million years ago. Yes, perfect to get that tan
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Neil deGrasse Tyson Cosmos Episode 7 'The Clean Room' recap: Clair Patterson, Earth age and danger of lead
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9-year-old boy finds 'pretty cool' 10,000-year-old tooth of mastadon
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Vacuum ultraviolet lamp: Why scientists are going gaga over it
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Apple touts environmental initiatives in Tim Cook-narrated 'Better' video
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