Do-Gooder Turns Ferns Into Arsenic-Filtering Super System
3.4 million people, almost the entire population of Los Angeles, die from water-related diseases every year. One of the chief polluters is arsenic, a metalloid that is vital to the fabrication of semiconductors, and by extension, everything from solar panels to iPads. Unfortunately, a single drop of liquified arsenic could render an entire swimming pool’s worth of water unsafe for human consumption. Over time, that amount would lead to increased infant mortality and cancer.
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