Water contaminated with arsenic threatens millions of people around the world. German researchers have developed a biosensor test for arsenic that can quickly, safely and cheaply determine if water is safe to drink.
Microplastics aren't just fouling the world's oceans - invisible plastic fibers are polluting drinking water tapped by millions of people. Where do these fibers come from, and how bad are they for human health?
When residents of a low-income housing project in South Los Angeles turn on their faucets, the water runs black, brown and yellow. Now they're fighting for the right to clean drinking water.
Hepatitis attacks the liver and in the worst case can result in cirrhosis or liver carcinoma. But not all forms of Hepatitis are alike.
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