01:00 AM EDT on Sunday, August 31, 2008

By TOM MEADE
journal Sports Writer

She has traveled to some of the world’s most magnificent places: Mount Everest, the Arctic, Easter Island among them. She has pedaled 12,000 miles on a bicycle since 1986, across the United States and Canada. She set the women’s world spearfishing record three times. And she is among the internationally elite members of The Explorers Club.

Stewart, a 46-year-old resident of Charlestown, is a nurse at Massachusetts General Hospital, in Boston. She returned on Aug. 22 from Israel, where she and a fellow adventurer went to raise money for another expedition. They plan to accompany four Holocaust survivors when they return to a 77-mile-long system of caves that hid them during the Nazi occupation of Ukraine.
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