| French Tribune MIT researchers have devised a new way for low-cost water filtration. The researchers have actually found that a small piece of sapwood is highly effective to filter out approximately 99% of the bacteria E. coli from lake or river water. This would help in … Tree branch great water purifier, 99% of bacteria E. Coli can be removedNorthern Voices Online MIT Researchers Discover Sapwood is Inexpensive Water Filtration MethodGuardian Liberty Voice Cheap Water Purification System Uses Sapwood, Filters 99% Bacteria – MIT …CrazyEngineers News Tonight Africa –The Almagest –PlanetSave.com all 49 news articles |
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