Cocaine. Credit for the discovery of cocaine as a local anesthetic is usually attributed to Dr. Carl Koller, an Austrian opthamologist who in 1884 demonstrated that dropping a solution of cocaine...
The walls of refrigerators have to be heavily insulated in order to maintain efficient cooling. Polyurethane foam insulation has been the classic material used for this purpose and guess what it...
You use cathodic protection聽to prevent iron from rusting. The rusting of iron is an expensive process. It is estimated that the deterioration of iron due to corrosion costs billions of dollars a...
Black cohosh. This plant native to North America has traditionally been used to treat menopausal symptoms with mostly anecdotal evidence for efficacy. Dr. Katherine Newton of the Group Health...
Well, because Henry Ford decided that younger men could work more productively on his automobile assembly line and so began to fire older workers and higher younger ones. This prompted some of the...
The birds had built their nest in the chimney which blocked the flow of air and resulted in a buildup of carbon monoxide when a fire was lit in the fireplace. Carbon monoxide is produced alongside...
