Video: How hand sanitizers work

Alcohol-based hand sanitizers are the ubiquitous little squeeze-bottle heroes of airports and hospitals, our allies during cold and flu season, and supposedly effective against a huge variety of disease-causing viruses and ...

Two billion people drinking contaminated water: WHO

Dramatic improvements are needed in ensuring access to clean water and sanitation worldwide, the World Health Organization said Thursday, warning that nearly two billion people currently use faecal-contaminated water.

Living standards lag behind economic growth

As incomes rise in developing countries, access to basic amenities such as electricity, clean cooking energy, water, and sanitation, also improves—but not uniformly, and not as quickly as income growth, according to a new ...

Project uses crowd computing to improve water filtration

Nearly 800 million people worldwide don't have access to safe drinking water, and some 2.5 billion people live in precariously unsanitary conditions, according to the Centers for Disease Control and Prevention. Together, ...

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