ScienceThe arsenic filterTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceMaggie Zelaya01/26/2015January 26, 2015In Bangladesh, drinking water from wells can be deadly. Arsenic occurs naturally in the groundwater. But there may be a solution in a new filter that uses rice husks.https://p.dw.com/p/1EQlIAdvertisement Report: Maggie Zelaya, Dhaka