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Science  26 May 2006:
Vol. 312, Issue 5777, pp. 1135
DOI: 10.1126/science.312.5777.1135b

TOP OF THE HEAP. Hannah Wolf (left) of Allentown, Pennsylvania, Madhavi Gavini (center) of Stakville, Mississippi, and Meredith MacGregor (right) of Boulder, Colorado, rose to the top in the 2006 Intel International Science and Engineering Fair, which drew 1500 high school contestants from 47 countries. Wolf won for her study of formations caused by ancient earthquakes in the Grand Staircase-Escalante National Monument; Gavini discovered a novel method to destroy a bacterium that causes secondary infections in patients with cancer, AIDS, and other conditions involving weakened immunity; and MacGregor earned the prize for her investigation of the Brazil nut effect: the phenomenon that makes the largest-sized particles in a container rise to the top when the container is shaken. Each of the three women will receive a $50,000 scholarship.

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