Question: While I was attending the University of Oklahoma in 1960, a study was done by the petroleum engineering department. The question was: Is draining oil from a vehicle necessary? They worked ...

According to the World Health Organization, some 2.5 billion people lack access to improved (ie., safe, clean) sanitation facilities, and so in 2011 the Bill and Melinda Gates Foundation launched the ...

March 25, 2009 They say necessity is the mother of all invention - so we're going to steer clear of the Tennessee inventor of the Breezy Seat. It's a battery-powered, fan forced toilet seat that turns ...