Ravenna Koenig
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A ship of researchers is crossing the Arctic for a year attached to an ice floe. But finding the right chunk of sea ice was a challenge, in part because warmer temperatures are making it thinner.
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An ambitious research expedition is getting underway in the Arctic Ocean. The first challenge is to find a massive chunk of ice to freeze into for the year long voyage.
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Amid major economic development and an immigration influx, a trip to Charlotte, N.C., reveals trends within the Republican Party that are taking place across cities facing similar issues.