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Water Filtration System Uses Houseplants To Extract Poison Naturally

Water Filtration System Uses Houseplants To Extract Poison Naturally
Design

Ferns could be the key to a sorely needed low-cost, electricity-free purification system for millions.

Sara Boboltz
  • 24 october 2013

Over 150 million people globally are exposed to arsenic contamination on a daily basis. Figures are ballpark — in Bangladesh, for example, where 35 to 88 million people are affected by the poison, data is hard to come by since autopsies aren’t performed. But no one should mess around with arsenic. Just one drop can leave a swimming pool’s worth of water unsafe for human consumption, with prolonged or increased exposure leading to cancer and death.

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