It is Saturday and in the heat of the day, when most people are indoors hiding from the sun, two women are busy pushing blocks of white semi-refined paraffin wax into a big black kettle. Then, one ...

The candle is the oldest means of supplying light and is a fine example of the saying "Necessity is the mother of invention". Although a number of changes have been made to the methods of ...

Stearic acid is a long-chain fatty acid. It occurs in a variety of natural sources, including shea butter and coconut oil. Products containing stearic acid may be beneficial for the skin. Multiple ...