New filter promises clean water for millions

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New filter promises clean water for millions
A handful of clay, yesterday’s coffee grounds and some cow manure are the simple ingredients that could bring clean drinking water to developing countries around the globe.
An innovative new technology, developed by ANU materials scientist Mr Tony Flynn, allows water filters to be made from commonly available materials and fired on the ground using manure, without the need for a kiln. The filters have been shown to remove common pathogens including E-coli. Unlike other water filtering devices, they are simple and inexpensive to make.


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All News summaries for January 19, 2005

Study explores plausibility of bulbs and tubers in the diet of early human ancestors

44 minutes ago | User rating: not rated yet
(PhysOrg.com) -- It was a dirty job, but somebody had to do it. Anthropologist Nathaniel J. Dominy of the University of California, Santa Cruz, has advanced the investigation of the diet of early human ancestors ...

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1 hour ago | User rating: not rated yet
It has been a long-held assumption that poor nations will not support efforts to protect the environment since their citizens are too preoccupied with meeting basic needs, such as food and housing. However, a new study in ...

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1 hour ago | User rating: not rated yet
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Women's access to credit affects efficiency in rural households

2 hours ago | User rating: not rated yet
Rural strategies designed to induce economic growth often emphasize the need to improve access to capital for poor households. However, this approach implicitly assumes that family members pool all their resources and allocate ...

Colonial heritage metaphors used in US military conflicts

2 hours ago | User rating: not rated yet
The historical reference to "Indian Country" presents a complex metaphor. For many Native Americans it signifies home, family, and territory; however, for others the term can refer to colonialism and Native American land ...
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