Archive of articles published on the 23rd of July 2013
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Devastating long-distance impact of earthquakes
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Oldest European fort in the inland US discovered in Appalachians
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Study: No link between mercury exposure and autism-like behaviors
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Valley networks suggest ancient snowfall on Mars
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Natural pest control protein effective against hookworm: A billion could benefit
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Choosing a wave could accelerate airplane maintenance
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Purple bacteria on Earth could survive alien light
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Harvesting electricity from the greenhouse gas carbon dioxide
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Tropical ecosystems regulate variations in Earth's carbon dioxide levels