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  1. Astronomy

    Distant rocky planets may have exotic chemical makeups that don’t resemble Earth’s

    Elements sprinkled on white dwarf stars suggest that the mantles of faraway rocky worlds differ greatly from their counterparts in our solar system.

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  2. Earth

    Scientists are racing to save the Last Ice Area, an Arctic Noah’s Ark

    The Last Ice Area may be the final refuge for summer sea ice and the creatures that depend on it. Saving it is an ambitious goal with many hurdles.

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  3. How analogies can make complex science clear

    Editor in chief Nancy Shute discusses how analogies can help break down complex science concepts, such as a new particle accelerator that will search for rare isotopes.