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A Shifting Band of Rain

By mapping equatorial rainfall since A.D. 800, scientists have figured out how tropical weather may change through 2100

By Julian P. Sachs and Conor L. Myhrvold

Journey to the Innermost Planet

Mercury has never been orbited by a spacecraft before. That will change this month

By Scott L. Murchie, Ronald J. Vervack Jr. and Brian J. Anderson


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