A powder made from the scabs of pustules on the skin of people who had survived smallpox. The eradication of this horrific disease, which is thought to have first appeared around 10,000 B.C., is...
The second part of the question is easy to answer. “Saltpetre,” (the term refers either to potassium or sodium nitrate) has no effect on carnal urges. The story that this chemical was put into...
With mercuric chloride, also known as “corrosive sublimate.” People have been intrigued by mercury and its compounds for over 3500 years. Ko Hung, an ancient Chinese alchemist was one of the first...
First, a little history is in order. Soap making is one of the oldest of all chemical processes. There is even a reference to soap in the Bible in Jeremiah 2:22. "For though thou wash thee with...
To improve the appearance of her skin by reducing wrinkles. When milk sours, the milk sugar lactose is converted by bacteria into lactic acid. When alpha hydroxy acids, such as lactic acid, are...
Dr. Lorne Trottier was in attendance of the recent landing of the Mars Rover, Curiosity. Here, he describes his account of the experience as well as the complexities and nuances of what went into...
Richard Feynman, Nobel prize winning physicist and science popularizer par excellence liked practical jokes, but I doubt he would have enjoyed watching people in the buff parade on Chicago’s...