In this Jan. 22, 2015 photo, Chilean Navy officers push away ice by moving their boat in circles as they approach the Aquiles navy ship where they will pick up international scientists and take them to Chile’s scientific Station Bernardo O’Higgins in Antarctica. While tourists come to Antarctica for its beauty and remoteness, scientists are all business. What they find could affect the lives of people thousands of miles away. (AP Photo/Natacha Pisarenko)

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