In this Feb. 26, 2014 photo Frank Telewski, professor of plant biology at Michigan State University, examines a red maple tree that was damaged on the university campus in East Lansing, Mich., during a December 2013 ice storm. Telewski is taking part in a research program designed to help people plant and maintain trees in ways that would make them less vulnerable during storms. (AP Photo/John Flesher)
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