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timesofindia.indiatimes.com > science > meet-vick-tan-the-minnesota-student-who-turned-a-teabag-into-a-low-cost-filter-that-removed-more-than-90-of-arsenic-from-water > articleshow > 133458290.cms

Meet Vick Tan: The Minnesota student who turned a teabag into a low-cost filter that removed more than 90% of arsenic from water |

3+ week, 1+ hour ago   (509+ words) Meet Vick Tan: The Minnesota student who turned a teabag into a low-cost filter that removed more than 90 The Times of India...