Fluere is the Latin word for flow and provides the root for the name of the element we know as fluorine. One of the common naturally occurring sources of fluorine is the mineral calcium fluoride,...
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...
Worry about contamination with lead! Chili powder is at the heart of Mexican cuisine and finds its way into numerous foods ranging from candies and salsa to fried grasshoppers. Unfortunately...
The ice was painted white. Artificial ice, which is a misnomer since it is very real ice, is made by pouring water over a concrete surface that can be cooled by circulating refrigerated brine...
In North America we hear a great deal about chemicals such as plasticizers leaching out of plastic. In this case, though, the problem is not what the plastic releases but what it retains, namely,...
Acid rain! Many gravestones are made of marble, which dissolves in acid. This means that if rain water is acidic, every time there is some precipitation, a bit of the marble is worn away. Acid rain...