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But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi
From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a
By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica
BOGOTA, May 2 (Xinhua) -- Colombia's second largest guerrilla group blasted a main oil pipeline on Friday, causing oil spill in the northeastern region, local media reported. The rebel National Liberation Army (ELN) attacked the Cano Limon-Covenas pi
Over the years, I never thought of my father as being very emotional, and he never was, at least not in front of me. Even though he was 68 years old and only five-foot-nine, while I was six feet and 260 pounds, he seemed huge to me. I always saw him