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Filtering out the poisons

A new type of water filter being developed at the University of South Australia could potentially clean deadly arsenic out of polluted drinking water for millions of people around the world.

The filter combines microalgae with bacteria taken from soil contaminated with heavy metals which could prove to be a cheap and safe way to effectively rid water of arsenic.

Arsenic poisoning initially causes vomiting and diarrhea, continued exposure can lead to cancer, diabetes, heart disease and death. Arsenic has harmed more humans than any other poison in history.

Read more at University of South Australia

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