Related topics: nasa · water · drinking water

A low-cost solution to remove arsenic from drinking water

High levels of a naturally occurring chemical called arsenic have been a source of contamination of ground-based drinking water, such as well-water, for people in many countries around the world, including parts of the United ...

Some food contamination starts in the soil

When most people hear "food contamination," they think of bacteria present on unwashed fruits or vegetables, or undercooked meat. However, there are other ways for harmful contaminants to be present in food products.

Microbes feeding on methane release arsenic into groundwater

Arsenic is a toxin now widely present in rivers and groundwater in countries such as Bangladesh and Vietnam. It is released by the activity of microorganisms. Yet for a long time it was unclear what the microorganisms ate ...

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