Nelson Mandela and Frederik Willem de Klerk has won the Nobel Peace Prize in 1993 for their work for the peaceful termination of the apartheid regime, and for laying the foundations for a new democratic South Africa.
A substance that dissociates into ions in solution and acquires the capacity to conduct electricity. Sodium, potassium, chloride, calcium, and phosphate are examples of electrolytes, informally known as lytes.
The medicinal branch of science that deals with the study of skin, hair and nails, their structure, functions and its diseases is called as Dermatology and the person who specializes in that is called as Dermatologist.