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April 10, 2012 12:00 AM

The science behind history fuels teacher’s passion

His students — ranging from tiny seventh-graders to 6-foot seniors — crowd around the numerous high-tech digging tables in his classroom. Pouring their hands through synthetic soil, they are always delighted to uncover a hidden treasure underneath, whether it is an ancient African bead or a 200-year-old arrowhead.

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