Intel STS finalist takes on arsenic poisoning

Thabit Pulak has invented a filter to remove arsenic from drinking water

By Bethany Brookshire, 09:37 AM March 11, 2014

WASHINGTON — When Thabit Pulak, 18, visited his grandparents in Bangladesh two years ago, he noticed something alarming. One of their neighbors had a new skin problem. The skin was discolored and hard. It was a telltale symptom of arsenicosis, or prolonged arsenic poisoning. The source: Many neighborhood drinking water wells contained arsenic.

The naturally occurring element taints the water in many parts of the world. People who drink this water can develop skin disease or cancers.

Thabit samp...

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