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Mars on Earth: How Utah's Fantastical Moqui Marbles Formed
September 22, 2014 | ArticleA new study pinpoints when and how the moqui marbles formed. These geological oddities are iron concretions found throughout Utah and Arizona.
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Photo Gallery: Fantastic Moqui Marbles
September 22, 2014 | Image AlbumMoqui marbles are iron concretions that record ancient water flow across the Colorado Plateau. These geological oddities are found throughout Utah and Arizona.
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Well Water May Contain Earthquake Warning Signs
September 21, 2014 | ArticleGeologists say well water spikes in sodium and hydrogen warned of mounting strain before two Iceland earthquakes. The results may someday lead to earthquake prediction.
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Global Carbon Emissions Reach New Record High
September 21, 2014 | ArticleConcentrations of carbon dioxide, a greenhouse gas, will surge to a new high in the atmosphere in 2014.
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Weird Earth Movement After Japan Earthquake Finally Explained
September 18, 2014 | ArticleUnusual westward drifts recorded off Japan's coast following the 2011 Tohoku earthquake provide a new picture of how the Earth adjusts after giant earthquakes.
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Antarctica Nearing Sea Ice Record High, But Arctic Ice Still Shrinking
September 17, 2014 | ArticleFor an unprecedented third year in a row, Antarctica's sea ice is poised to smash a new winter record, but Arctic summer sea ice hit its sixth lowest minimum.
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Gravity Moved Continents on Early Earth
September 17, 2014 | ArticleContinents move, but what got them going? A new computer model shows it was gravity. Whole continents flattened out under their own weight.
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Dino-Killing Impact Remade Plant Kingdom, Too
September 16, 2014 | ArticleHarsh conditions after the dino-killing meteor impact favored fast-growing plants, nudging forests toward a new pecking order
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Flawed Fracking Wells Taint Pennsylvania's Drinking Water
September 15, 2014 | ArticleNew research makes a direct link between Pennsylvania's tainted drinking water and leaky fracking wells in the Marcellus Shale.
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Calm Before the Quake? Turkey May Be Due for the Big One
September 15, 2014 | ArticleA powerful earthquake of magnitude 7 or greater may be building up along a now-quiet fault on the coast of Istanbul, a new study finds.
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