purify drinking water
June 10, 2010
Real-World Proof of Hand Washing’s Effectiveness Scientists are reporting dramatic new real-world evidence supporting the idea that hand washing can prevent the spread of water-borne disease. […]
March 17, 2010
‘World’s Most Useful Tree’ Provides Low-Cost Water Purification Method for Developing World ScienceDaily (Mar. 14, 2010) — A low-cost water purification technique published in Current Protocols […]