Scientists traveled to Guatemala twice in the past year to conduct research on ceramic pot filters that are used locally to remove bacteria from water. They found that silver may not be necessary to ...
What started out 30 years ago with a man called Fernando directing artisans on potter’s wheels in the small town of Rabinal, Guatemala, has resulted in a worldwide water revolution. In Guatemala alone ...
Make this your preferred source to get more updates from this publisher on Google. The Department of Science and Technology (DOST) and the National Housing Authority (NHA) signed a Memorandum of ...