| CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. | Poll: Trump gains edge in Iowa | | A closer look at polls released in the past few days reveals that with a week to go before the Iowa caucuses, the shape of both the Democratic and Republican races there appear to be shifting, while the national picture on both sides remains remarkably steady.
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| Rare 'walking' fish found | | A family found an unusual fish with legs, which researchers believe is a striped anglerfish in New Zealand.
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| MH370 search vehicle hits volcano | | A sonar vehicle used in the search for the wreckage of missing Malaysia Airlines Flight 370 has been lost after striking an underwater volcano in the southern Indian Ocean, according to search officials.
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